function Abrepop(url,w,h)
	{
		var width_w = w;
		var height_w = h;
		
		var var_left = (screen.width - width_w) / 2;
		var var_top = (screen.height - height_w) / 2;
	  
		window.open(url,"PopUp","scrollbars=yes,width="+ width_w +",height="+ height_w +",top=" + var_top + ",left=" + var_left);
	}