newWindow=false;
function openNewWin(url,width,height){
//	alert (newWindow);
var wleft, wtop
	wleft = Math.round((752 - width)/2)
	wtop = Math.round((552 - height)/2)
    if(!newWindow){
    newWindow= window.open(url,"window","width="+width+",height="+height+",scrollbars=yes,toolbar=no,resizable=yes,screenX="+wleft+",screenY="+wtop+",left="+wleft+",top="+wtop+"");
	newWindow.focus();
    }
	else if(newWindow && newWindow.closed){
    newWindow= window.open(url,"window","width="+width+",height="+height+",scrollbars=yes,toolbar=no,resizable=yes,screenX="+wleft+",screenY="+wtop+",left="+wleft+",top="+wtop+"");
    }
    else{
	newWindow.location=url;
	newWindow.focus();
    }
}