// script written by Radek HULAN
// http://hulan.cz/

// This work is licensed under the Creative Commons Attribution License. To  view a
// copy of this license, visit http://creativecommons.org/licenses/by/1.0/  or send
// a letter to Creative Commons, 559 Nathan Abbott Way, Stanford,  California 94305,
// USA.

// use like onclick="return openwin(this.href)"
function openwin(url,w,h) {
  w+=20;
  h+=20;
  if( window.open(url,'','width='+w+',height='+h+',left=0,top=0,scrollbars=no,location=no,resizable=no,menu=no') ) return false; else return true;
}
 
function showMenu(item){
		 var i=1;
		 var ele;
		 while (ele=document.getElementById('menu'+i)) {
		 	   if (i==item)
		 	   	  ele.style.display='block';
   	  		   else
   	  		  	  ele.style.display='none';
		  	  i++;
		 }
}