function showItemDesc(id) {
	el = document.getElementById(id+'_desc');
	el.style.display = 'block';
	
	if(!el.onmouseover) {
		el.onmouseover = function() {
			showItemDesc(id);
		}
	}
	
	if(!el.onmouseout) {
		el.onmouseout = function() {
			hideItemDesc(id);
		}
	}
	
}

function hideItemDesc(id) {
	el = document.getElementById(id+'_desc');
	el.style.display = 'none';
}

function dropdownmenu(el,val1,val2){
   el.className += ' open';
   
   el.onmouseout=function(e) {
      el.className = el.className.replace(' open','');
	  el.className = el.className.replace('open','');
   }
}