function chk_log(){
	with (document.form1){
		if(user.value==""){
			alert("Insert the username!");
			return false;
		}
		if(pass.value==""){
			alert("Insert the password!");
			return false;
		}
		if(h.value=="0")
			h.value="1";
		else
			return false;
	}

}
function sfocus(f,i){
	eval("document."+f+"."+i).focus();
}