function popup() {
	winName='Shema';
	W=710;
	H=350;
	//var left=Math.round((screen.width-W)/2)+"px";
	//var top=Math.round((screen.height-H)/2)+"px";
	var left="100px";
	var top="120px";
	window.open('popup/popup.htm',winName,"scrollbars=n,width="+W+",height="+H+", top="+top+", left="+left);
}