function chkSForm(){
	var form = document.sucheform;
	if(form.s_text.value == ""){
		alert("Please enter searchkeys.");
		form.s_text.focus();
		return false;
	}
	if(form.s_text.value.length < "4"){
		alert("Searchkey must be longer than 3 characters.");
		form.s_text.focus();
		return false;
	}
}