/* send to friend */

	function refer_a_friend(url,title)
	{
		page = base_url + 'index.php?template=sid&c=friend&title='+title+'&url='+url
		open_window(page,516,600,'friend');	
	}

/* popup window */

_w = null;
	
function open_window(path,width,height,win)
	{
		
		w = window.screen.availWidth;
		h = window.screen.availHeight;	
		
		posL = (w-width)*.5;
		posT = (h-height)*.5;
		
		if(_w && _w.open){
			_w.close();
		}	
		
		_w = window.open(path,win,'width='+width+',height='+height+',top='+posT+',left='+posL+',menubar=0,location=0,toolbar=0,personalbar=0,status=0,scrollbars=1,allowresize=1,dependent=1,resizable=1');
		
	}