function openWindow(file,name,param) {
	var ranNum= Math.round(Math.random()*4);
                //alert(ranNum);
                var arr = param.split(",");
	var arr_w = arr[0].split("=");
	var arr_h = arr[1].split("=");
	w=arr_w[1];
	h=arr_h[1];
	var xPos=(screen.width-w) / 2;
	var yPos=(screen.height-h) / 2;
	window.open(file,ranNum,'resizable=no,width='+w+',height='+h+',left='+xPos+',top='+yPos+',status=no,toolbar=no,scrollbars=no');
	//window.focus()
}