function div_invisible (div) {

            document.getElementById("divb").style.position  ='absolute';
            document.getElementById("divb").style.visibility='hidden';
            document.getElementById("divc").style.position  ='absolute';
            document.getElementById("divc").style.visibility='hidden';
            document.getElementById("diva").style.position  ='absolute';
            document.getElementById("diva").style.visibility='hidden';
            document.getElementById("divd").style.position  ='absolute';
            document.getElementById("divd").style.visibility='hidden';
		document.getElementById("dive").style.position  ='absolute';
            document.getElementById("dive").style.visibility='hidden';
            document.getElementById("divf").style.position  ='absolute';
            document.getElementById("divf").style.visibility='hidden';           
            document.getElementById("divg").style.position  ='absolute';
            document.getElementById("divg").style.visibility='hidden';          
            document.getElementById("divh").style.position  ='absolute';
            document.getElementById("divh").style.visibility='hidden';          
            document.getElementById("divi").style.position  ='absolute';
            document.getElementById("divi").style.visibility='hidden';          
            document.getElementById("divj").style.position  ='absolute';
            document.getElementById("divj").style.visibility='hidden';          
            document.getElementById("divk").style.position  ='absolute';
            document.getElementById("divk").style.visibility='hidden';          
            document.getElementById("divl").style.position  ='absolute';
            document.getElementById("divl").style.visibility='hidden';          
            document.getElementById("divm").style.position  ='absolute';
            document.getElementById("divm").style.visibility='hidden';          
            document.getElementById("divn").style.position  ='absolute';
            document.getElementById("divn").style.visibility='hidden';
                       
            document.getElementById("div"+div).style.position     ='relative';
            document.getElementById("div"+div).style.visibility   ='visible';
            
         }         
         function diva_vis () {

            document.getElementById("divb").style.visibility='hidden';
            document.getElementById("divb").style.position='absolute';
            document.getElementById("divc").style.visibility='hidden';
            document.getElementById("divc").style.position='absolute';
            document.getElementById("diva").style.position='relative';
            document.getElementById("diva").style.visibility='visible';
		      document.getElementById("divd").style.position='absolute';
            document.getElementById("divd").style.visibility='hidden';
		      document.getElementById("dive").style.position='absolute';
            document.getElementById("dive").style.visibility='hidden';
            document.getElementById("divf").style.position='absolute';
            document.getElementById("divf").style.visibility='hidden';           
            document.getElementById("divg").style.position='absolute';
            document.getElementById("divg").style.visibility='hidden';                 
         }//end function
                  
         function divb_vis () {

            document.getElementById("diva").style.visibility='hidden';
            document.getElementById("diva").style.position='absolute';
            document.getElementById("divc").style.visibility='hidden';
            document.getElementById("divc").style.position='absolute';
            document.getElementById("divb").style.position='relative';
            document.getElementById("divb").style.visibility='visible';
		      document.getElementById("divd").style.position='absolute';
            document.getElementById("divd").style.visibility='hidden';
		      document.getElementById("dive").style.position='absolute';
            document.getElementById("dive").style.visibility='hidden';
            document.getElementById("divf").style.position='absolute';
            document.getElementById("divf").style.visibility='hidden';           
            document.getElementById("divg").style.position='absolute';
            document.getElementById("divg").style.visibility='hidden';                 
         }//end function
                  
         function divc_vis () {

            document.getElementById("divb").style.visibility='hidden';
            document.getElementById("divb").style.position='absolute';
            document.getElementById("diva").style.visibility='hidden';
            document.getElementById("diva").style.position='absolute';
            document.getElementById("divc").style.position='relative';
            document.getElementById("divc").style.visibility='visible';
		      document.getElementById("divd").style.position='absolute';
            document.getElementById("divd").style.visibility='hidden';
		      document.getElementById("dive").style.position='absolute';
            document.getElementById("dive").style.visibility='hidden';
            document.getElementById("divf").style.position='absolute';
            document.getElementById("divf").style.visibility='hidden';           
            document.getElementById("divg").style.position='absolute';
            document.getElementById("divg").style.visibility='hidden';     
                     
         }//end function
                           
         function divd_vis () {

            document.getElementById("divb").style.visibility='hidden';
            document.getElementById("divb").style.position='absolute';
            document.getElementById("diva").style.visibility='hidden';
            document.getElementById("diva").style.position='absolute';
            document.getElementById("divc").style.position='absolute';
            document.getElementById("divc").style.visibility='hidden';
		      document.getElementById("divd").style.position='relative';
            document.getElementById("divd").style.visibility='visible';
		      document.getElementById("dive").style.position='absolute';
            document.getElementById("dive").style.visibility='hidden';
            document.getElementById("divf").style.position='absolute';
            document.getElementById("divf").style.visibility='hidden';           
            document.getElementById("divg").style.position='absolute';
            document.getElementById("divg").style.visibility='hidden';     

         }//end function
                  
         function dive_vis () {

            document.getElementById("divb").style.visibility='hidden';
            document.getElementById("divb").style.position='absolute';
            document.getElementById("diva").style.visibility='hidden';
            document.getElementById("diva").style.position='absolute';
            document.getElementById("divc").style.position='absolute';
            document.getElementById("divc").style.visibility='hidden';
            document.getElementById("divd").style.position='absolute';
            document.getElementById("divd").style.visibility='hidden';
            document.getElementById("dive").style.position='relative';
            document.getElementById("dive").style.visibility='visible';
            document.getElementById("divf").style.position='absolute';
            document.getElementById("divf").style.visibility='hidden';           
            document.getElementById("divg").style.position='absolute';
            document.getElementById("divg").style.visibility='hidden';         
         }//end function
                  
         function divf_vis () {

            document.getElementById("divb").style.visibility='hidden';
            document.getElementById("divb").style.position='absolute';
            document.getElementById("diva").style.visibility='hidden';
            document.getElementById("diva").style.position='absolute';
            document.getElementById("divc").style.position='absolute';
            document.getElementById("divc").style.visibility='hidden';
            document.getElementById("divd").style.position='absolute';
            document.getElementById("divd").style.visibility='hidden';
            document.getElementById("dive").style.position='absolute';
            document.getElementById("dive").style.visibility='hidden';
            document.getElementById("divf").style.position='relative';
            document.getElementById("divf").style.visibility='visible';           
            document.getElementById("divg").style.position='absolute';
            document.getElementById("divg").style.visibility='hidden';
         }//end function
                  
         function divg_vis () {

            document.getElementById("divb").style.visibility='hidden';
            document.getElementById("divb").style.position='absolute';
            document.getElementById("diva").style.visibility='hidden';
            document.getElementById("diva").style.position='absolute';
            document.getElementById("divc").style.position='absolute';
            document.getElementById("divc").style.visibility='hidden';
		      document.getElementById("divd").style.position='absolute';
            document.getElementById("divd").style.visibility='hidden';
            document.getElementById("dive").style.position='absolute';
            document.getElementById("dive").style.visibility='hidden';
            document.getElementById("divf").style.position='absolute';
            document.getElementById("divf").style.visibility='hidden'; 		      
            document.getElementById("divg").style.position='relative';
            document.getElementById("divg").style.visibility='visible';         
		   }//end function


         function content(img) {
            clearTimeout(t);
            document.getElementById("div_content").innerHTML='<img src="images/'+img+'-b.jpg" width="493px" >';
         }//end function
         
         function MM_findObj(n, d) { //v4.01
           var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
             d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
           if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
           for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
           if(!x && d.getElementById) x=d.getElementById(n); return x;
         }//end function

         function MM_preloadImages() { //v3.0
           var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
             var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
             if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
         }//end function

         function MM_swapImgRestore() { //v3.0
           var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
         }//end function

         function MM_swapImage() { //v3.0
           var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
            if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
         }//end function
         
         function trapvis () {
            document.getElementById("divtrap").style.visibility='visible';
            document.getElementById("divjungle").style.visibility='hidden';
            document.getElementById("divtight").style.visibility='hidden';
            document.getElementById("divface").style.visibility='hidden'; 
            document.getElementById("divfree").style.visibility='hidden'; 
            document.getElementById("divkrazy").style.visibility='hidden'; 
            document.getElementById("divstunt").style.visibility='hidden';
            document.getElementById("divzorb").style.visibility='hidden'; 
            document.getElementById("divmountain").style.visibility='hidden'; 
            document.getElementById("divbegin").style.visibility='hidden'; 
            document.getElementById("divdirt").style.visibility='hidden';
            document.getElementById("divtar").style.visibility='hidden'; 
            document.getElementById("divluge").style.visibility='hidden'; 
            document.getElementById("divboarder").style.visibility='hidden';
         }//end function
                  
         function junglevis () {
            document.getElementById("divtrap").style.visibility='hidden';
            document.getElementById("divjungle").style.visibility='visible';
            document.getElementById("divtight").style.visibility='hidden';
            document.getElementById("divface").style.visibility='hidden'; 
            document.getElementById("divfree").style.visibility='hidden'; 
            document.getElementById("divkrazy").style.visibility='hidden'; 
            document.getElementById("divstunt").style.visibility='hidden';
            document.getElementById("divzorb").style.visibility='hidden'; 
            document.getElementById("divmountain").style.visibility='hidden'; 
            document.getElementById("divbegin").style.visibility='hidden'; 
            document.getElementById("divdirt").style.visibility='hidden';
            document.getElementById("divtar").style.visibility='hidden'; 
            document.getElementById("divluge").style.visibility='hidden'; 
            document.getElementById("divboarder").style.visibility='hidden';
         }//end function
                  
         function tightvis () {
            document.getElementById("divtrap").style.visibility='hidden';
            document.getElementById("divjungle").style.visibility='hidden';
            document.getElementById("divtight").style.visibility='visible';
            document.getElementById("divface").style.visibility='hidden'; 
            document.getElementById("divfree").style.visibility='hidden'; 
            document.getElementById("divkrazy").style.visibility='hidden'; 
            document.getElementById("divstunt").style.visibility='hidden';
            document.getElementById("divzorb").style.visibility='hidden'; 
            document.getElementById("divmountain").style.visibility='hidden'; 
            document.getElementById("divbegin").style.visibility='hidden'; 
            document.getElementById("divdirt").style.visibility='hidden';
            document.getElementById("divtar").style.visibility='hidden'; 
            document.getElementById("divluge").style.visibility='hidden'; 
            document.getElementById("divboarder").style.visibility='hidden';
         }//end function
                  
         function facevis () {
            document.getElementById("divtrap").style.visibility='hidden';
            document.getElementById("divjungle").style.visibility='hidden';
            document.getElementById("divtight").style.visibility='hidden';
            document.getElementById("divface").style.visibility='visible'; 
            document.getElementById("divfree").style.visibility='hidden'; 
            document.getElementById("divkrazy").style.visibility='hidden'; 
            document.getElementById("divstunt").style.visibility='hidden';
            document.getElementById("divzorb").style.visibility='hidden'; 
            document.getElementById("divmountain").style.visibility='hidden'; 
            document.getElementById("divbegin").style.visibility='hidden'; 
            document.getElementById("divdirt").style.visibility='hidden';
            document.getElementById("divtar").style.visibility='hidden'; 
            document.getElementById("divluge").style.visibility='hidden'; 
            document.getElementById("divboarder").style.visibility='hidden';
         }//end function
                  
         function freevis () {
            document.getElementById("divtrap").style.visibility='hidden';
            document.getElementById("divjungle").style.visibility='hidden';
            document.getElementById("divtight").style.visibility='hidden';
            document.getElementById("divface").style.visibility='hidden'; 
            document.getElementById("divfree").style.visibility='visible'; 
            document.getElementById("divkrazy").style.visibility='hidden'; 
            document.getElementById("divstunt").style.visibility='hidden';
            document.getElementById("divzorb").style.visibility='hidden'; 
            document.getElementById("divmountain").style.visibility='hidden'; 
            document.getElementById("divbegin").style.visibility='hidden'; 
            document.getElementById("divdirt").style.visibility='hidden';
            document.getElementById("divtar").style.visibility='hidden'; 
            document.getElementById("divluge").style.visibility='hidden'; 
            document.getElementById("divboarder").style.visibility='hidden';
         }//end function
                  
         function krazyvis () {
            document.getElementById("divtrap").style.visibility='hidden';
            document.getElementById("divjungle").style.visibility='hidden';
            document.getElementById("divtight").style.visibility='hidden';
            document.getElementById("divface").style.visibility='hidden'; 
            document.getElementById("divfree").style.visibility='hidden'; 
            document.getElementById("divkrazy").style.visibility='visible'; 
            document.getElementById("divstunt").style.visibility='hidden';
            document.getElementById("divzorb").style.visibility='hidden'; 
            document.getElementById("divmountain").style.visibility='hidden'; 
            document.getElementById("divbegin").style.visibility='hidden'; 
            document.getElementById("divdirt").style.visibility='hidden';
            document.getElementById("divtar").style.visibility='hidden'; 
            document.getElementById("divluge").style.visibility='hidden'; 
            document.getElementById("divboarder").style.visibility='hidden';
         }//end function
                  
         function stuntvis () {
            document.getElementById("divtrap").style.visibility='hidden';
            document.getElementById("divjungle").style.visibility='hidden';
            document.getElementById("divtight").style.visibility='hidden';
            document.getElementById("divface").style.visibility='hidden'; 
            document.getElementById("divfree").style.visibility='hidden'; 
            document.getElementById("divkrazy").style.visibility='hidden'; 
            document.getElementById("divstunt").style.visibility='visible';
            document.getElementById("divzorb").style.visibility='hidden'; 
            document.getElementById("divmountain").style.visibility='hidden'; 
            document.getElementById("divbegin").style.visibility='hidden'; 
            document.getElementById("divdirt").style.visibility='hidden';
            document.getElementById("divtar").style.visibility='hidden'; 
            document.getElementById("divluge").style.visibility='hidden'; 
            document.getElementById("divboarder").style.visibility='hidden';
         }//end function
         
         function zorbvis () {
            document.getElementById("divtrap").style.visibility='hidden';
            document.getElementById("divjungle").style.visibility='hidden';
            document.getElementById("divtight").style.visibility='hidden';
            document.getElementById("divface").style.visibility='hidden'; 
            document.getElementById("divfree").style.visibility='hidden'; 
            document.getElementById("divkrazy").style.visibility='hidden'; 
            document.getElementById("divstunt").style.visibility='hidden';
            document.getElementById("divzorb").style.visibility='visible'; 
            document.getElementById("divmountain").style.visibility='hidden'; 
            document.getElementById("divbegin").style.visibility='hidden'; 
            document.getElementById("divdirt").style.visibility='hidden';
            document.getElementById("divtar").style.visibility='hidden'; 
            document.getElementById("divluge").style.visibility='hidden'; 
            document.getElementById("divboarder").style.visibility='hidden';
         }//end function
                  
         function mountainvis () {
            document.getElementById("divtrap").style.visibility='hidden';
            document.getElementById("divjungle").style.visibility='hidden';
            document.getElementById("divtight").style.visibility='hidden';
            document.getElementById("divface").style.visibility='hidden'; 
            document.getElementById("divfree").style.visibility='hidden'; 
            document.getElementById("divkrazy").style.visibility='hidden'; 
            document.getElementById("divstunt").style.visibility='hidden';
            document.getElementById("divzorb").style.visibility='hidden'; 
            document.getElementById("divmountain").style.visibility='visible'; 
            document.getElementById("divbegin").style.visibility='hidden'; 
            document.getElementById("divdirt").style.visibility='hidden';
            document.getElementById("divtar").style.visibility='hidden'; 
            document.getElementById("divluge").style.visibility='hidden'; 
            document.getElementById("divboarder").style.visibility='hidden';
         }//end function
                  
         function beginvis () {
            document.getElementById("divtrap").style.visibility='hidden';
            document.getElementById("divjungle").style.visibility='hidden';
            document.getElementById("divtight").style.visibility='hidden';
            document.getElementById("divface").style.visibility='hidden'; 
            document.getElementById("divfree").style.visibility='hidden'; 
            document.getElementById("divkrazy").style.visibility='hidden'; 
            document.getElementById("divstunt").style.visibility='hidden';
            document.getElementById("divzorb").style.visibility='hidden'; 
            document.getElementById("divmountain").style.visibility='hidden'; 
            document.getElementById("divbegin").style.visibility='visible'; 
            document.getElementById("divdirt").style.visibility='hidden';
            document.getElementById("divtar").style.visibility='hidden'; 
            document.getElementById("divluge").style.visibility='hidden'; 
            document.getElementById("divboarder").style.visibility='hidden';
         }//end function
                  
         function dirtvis () {
            document.getElementById("divtrap").style.visibility='hidden';
            document.getElementById("divjungle").style.visibility='hidden';
            document.getElementById("divtight").style.visibility='hidden';
            document.getElementById("divface").style.visibility='hidden'; 
            document.getElementById("divfree").style.visibility='hidden'; 
            document.getElementById("divkrazy").style.visibility='hidden'; 
            document.getElementById("divstunt").style.visibility='hidden';
            document.getElementById("divzorb").style.visibility='hidden'; 
            document.getElementById("divmountain").style.visibility='hidden'; 
            document.getElementById("divbegin").style.visibility='hidden'; 
            document.getElementById("divdirt").style.visibility='visible';
            document.getElementById("divtar").style.visibility='hidden'; 
            document.getElementById("divluge").style.visibility='hidden'; 
            document.getElementById("divboarder").style.visibility='hidden';
         }//end function
                  
         function tarvis () {
            document.getElementById("divtrap").style.visibility='hidden';
            document.getElementById("divjungle").style.visibility='hidden';
            document.getElementById("divtight").style.visibility='hidden';
            document.getElementById("divface").style.visibility='hidden'; 
            document.getElementById("divfree").style.visibility='hidden'; 
            document.getElementById("divkrazy").style.visibility='hidden'; 
            document.getElementById("divstunt").style.visibility='hidden';
            document.getElementById("divzorb").style.visibility='hidden'; 
            document.getElementById("divmountain").style.visibility='hidden'; 
            document.getElementById("divbegin").style.visibility='hidden'; 
            document.getElementById("divdirt").style.visibility='hidden';
            document.getElementById("divtar").style.visibility='visible'; 
            document.getElementById("divluge").style.visibility='hidden'; 
            document.getElementById("divboarder").style.visibility='hidden';
         }//end function
                  
         function lugevis () {
            document.getElementById("divtrap").style.visibility='hidden';
            document.getElementById("divjungle").style.visibility='hidden';
            document.getElementById("divtight").style.visibility='hidden';
            document.getElementById("divface").style.visibility='hidden'; 
            document.getElementById("divfree").style.visibility='hidden'; 
            document.getElementById("divkrazy").style.visibility='hidden'; 
            document.getElementById("divstunt").style.visibility='hidden';
            document.getElementById("divzorb").style.visibility='hidden'; 
            document.getElementById("divmountain").style.visibility='hidden'; 
            document.getElementById("divbegin").style.visibility='hidden'; 
            document.getElementById("divdirt").style.visibility='hidden';
            document.getElementById("divtar").style.visibility='hidden'; 
            document.getElementById("divluge").style.visibility='visible'; 
            document.getElementById("divboarder").style.visibility='hidden';
         }//end function
                           
         function boardervis () {
            document.getElementById("divtrap").style.visibility='hidden';
            document.getElementById("divjungle").style.visibility='hidden';
            document.getElementById("divtight").style.visibility='hidden';
            document.getElementById("divface").style.visibility='hidden'; 
            document.getElementById("divfree").style.visibility='hidden'; 
            document.getElementById("divkrazy").style.visibility='hidden'; 
            document.getElementById("divstunt").style.visibility='hidden';
            document.getElementById("divzorb").style.visibility='hidden'; 
            document.getElementById("divmountain").style.visibility='hidden'; 
            document.getElementById("divbegin").style.visibility='hidden'; 
            document.getElementById("divdirt").style.visibility='hidden';
            document.getElementById("divtar").style.visibility='hidden'; 
            document.getElementById("divluge").style.visibility='hidden'; 
            document.getElementById("divboarder").style.visibility='visible';
         }//end function