function gourl(url)
{
	var ua = window.navigator.userAgent;
	var msie = ua.indexOf ( "MSIE " );

	if(url==""){}else
	{
		window.location.href=url;
		if(msie>0)
		{
			window.event.returnValue=false;
		}
	}
}

function display_popupwindow(u,w,h)
{
	var url=u;
	var par='toolbar=0,scrollbars=2,location=0,statusbar=0,menubar=0,resizable=0,width='+w+',height='+h;	
	window.open(url,'new_win',par);
}