function confirmLogin()
{
   var range;
   var item;
   var obj;
   range="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890_";
   item=document.myform1.loginname.value;
   if (item=="") {alert("Username can't be empty!");return false;}
   for(var i=1;i<=item.length;i++){
     obj=item.substring(i-1,i)
     if (range.indexOf(obj)==-1){
        alert("Invalid character in username!");
        document.myform1.loginname.select();
        return false;
        break;
     }
   }
   
   var pass=document.myform1.passwd.value;
   if (pass=="") {alert("Password can't be empty!");document.myform1.passwd.select();return false} 
   return true;
}

function isNullCookie(name)
{
	if((document.cookie.indexOf(name)) == -1) return true;
}

if((isNullCookie("logName=guest")) && (!isNullCookie("UTag=2")))
	{
       		document.writeln('<table width="0" border="0" cellspacing="0" cellpadding="0">')
			document.writeln('<tr>')
			document.writeln('<td>&nbsp;</td><td class="td"><a href=modipass.asp target=_blank><b>Change&nbsp;Password</b></a></td>')
			document.writeln('<td>&nbsp;</td><td class="td"><a href=modi.asp target=_blank><b>Update&nbsp;your&nbsp;info</b></a></td>')
			document.writeln('<td>&nbsp;</td><td class="td"><a href=OrderList.asp target=_blank><b>Your InQuote</b></a></td></td>')
			document.writeln('<td>&nbsp;</td><td class="td"><a href=cuQList.asp?qoChioce=0 target=_blank><b>Your Quotation</b></a></td></td>')
			document.writeln('<td>&nbsp;</td><td class="td"><a href=/end.asp><b>Logout</b></a></td></td>')
		  	document.writeln('</tr>')
			document.writeln('</table>')
        }
else
		{
			document.writeln('<form name="myform1"  method="post" action="/logins.asp" onSubmit="return confirmLogin()">')
			document.writeln('<table width="0" border="0" cellspacing="0" cellpadding="0">')
		 	document.writeln('<tr>')
			document.writeln('<td>Name£º</td>')
			document.writeln('<td><input type="text" size="15" name="loginname" /></td>')
			document.writeln('<td>Password£º</td>')
			document.writeln('<td><input type="password" size="15" name="passwd"/></td>')
			document.writeln('<td><input type="image" src="Images/sign.gif" alt="Sign In"/></td>')
			document.writeln('<td><a href="customer_register2.asp"><img src="Images/join.gif" alt="Join Free" border="0"/></a></td>')
			document.writeln('<td class="td"><a href="ForgetPSW.asp" title="FORGET PASSWORD">FORGET PASSWORD?</a></td>')
		  	document.writeln('</tr>')
			document.writeln('</table>')
			document.writeln('</form>')
}