function popup(url,nam,wid,hei){
	var w = window.screen.width;
	var h = window.screen.height;
	var l = (w-wid)/2;
	var t = ((h-hei)/2)-100;
	sty = "status=yes,scrollbars=no,resizable=yes,width=";
	sty+= wid;
	sty+= ",height=";
	sty+= hei;
	sty+= ",left=";
	sty+= l;
	sty+= ",top=";
	sty+= t;
	window.open(url,nam,sty);
}

function popup2(url,nam,wid,hei){
	var w = window.screen.width;
	var h = window.screen.height;
	var l = (w-wid)/2;
	var t = ((h-hei)/2)-100;
	sty = "status=yes,scrollbars=yes,menubar=yes,resizable=yes,width=";
	sty+= wid;
	sty+= ",height=";
	sty+= hei;
	sty+= ",left=";
	sty+= l;
	sty+= ",top=";
	sty+= t;
	window.open(url,nam,sty);
}