// JavaScript Document
function FormCheck() 
{ 
if (trim(document.form.id.value) =="" || trim(document.form.id.value)=="Input Your ID") 
{ 
alert("Please input your username!"); 
document.form.id.focus(); 
return (false); 
} 
if (trim(document.form.password.value) =="") 
{ 
alert("Please input your password!"); 
document.form.password.focus(); 
return (false); 
} 
 
document.form.submit();
}
//-->
//-->
function trim(inputString) {
	   
              if (typeof inputString != "string") { return inputString; }
              var retValue = inputString;
              var ch = retValue.substring(0, 1);
              while (ch == " ") { 
                  retValue = retValue.substring(1, retValue.length);
                  ch = retValue.substring(0, 1);
              }
              ch = retValue.substring(retValue.length-1, retValue.length);
              while (ch == " ") {
                 retValue = retValue.substring(0, retValue.length-1);
                 ch = retValue.substring(retValue.length-1, retValue.length);
              }
              while (retValue.indexOf("  ") != -1) { 
                 retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); 
              }
              return retValue;
           }