function NewWindow(mypage, myname, w, h, scroll, resizable, status, toolbar) {		
		var winl = (screen.width - w) / 2;		
		var wint = (screen.height - h) / 2;		
		winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable='+resizable+',status='+status+',toolbar='+toolbar;		
		win = window.open(mypage, myname, winprops);		
		if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }		
	}
	function checkfield(field_name){

		var laukelis = document.getElementById(field_name);
		
		if(laukelis.value==""){
		return false;
		}
		
	}
	function rodytiSubMeniu(name){
		
		if(name){
		
		var item=document.getElementById(name);
			
			if(item){
			
				if(item.style.visibility=='visible'){				
				item.style.visibility='hidden';
				item.style.position='absolute';
				item.style.display='none';
				}
				else{
				item.style.visibility='visible';
				item.style.position='relative';
				item.style.display='block';
				}
			
			}
			
		}
		
		return;
		
	}
	function isskleistiMedi(name){
		
		if(name){
		
		var item=document.getElementById(name);
			
			if(item){
			
				if(item.style.visibility=='visible'){				
				return;
				item.style.visibility='hidden';
				item.style.position='absolute';
				item.style.display='none';
				}
				else{
				item.style.visibility='visible';
				item.style.position='relative';
				item.style.display='block';
				return false;
				}
			
			}
			
		}
		
		return;
		
	}