if (top.location != self.location) {
	top.location.replace(self.location.href);
}

function chkSearch(){
	if(document.getElementById){
		if (Trim(document.getElementById('siteSearch').value).length == 0){
			window.alert("Please enter some search criteria");
			document.getElementById('siteSearch').focus();
			return false;
		}		
	}	
}