function popup(theURL,target,myWidth,myHeight){
/*	var myWidth = 200;
	var myHeight = 250;*/
	var myLeft = (screen.width-myWidth)/2;
	var myTop = (screen.height-myHeight)/2;
	var feature="width=" +myWidth +",height=" +myHeight +",left=" +myLeft +",top=" +myTop +",scrollbars=yes,resizable=yes";
	window.open(theURL,target,feature);
	return false;
}