function openContactUsWindow(linkadd) { 
	var agt=navigator.userAgent.toLowerCase();
	if (agt.indexOf("firefox") != -1) {
		window.open(
			linkadd,
			"Latest",
			"toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,scrollbars=no,height=720,width=530");
		return; 
	}
	window.open(
		linkadd,
		"Latest",
		"toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,scrollbars=no,height=670,width=530"); 
}