<!--

	function validate()
	{		
	
		var t1 = document.form1.un;	
		if (isempty(t1))
		{ t1.focus();
		  alert ('Invalid username');
		  return false;
		 }	 

		t1 = document.form1.pw;
		if (isempty(t1))
		{ t1.focus();
		  alert ('Invalid password');
		  return false;
		 }	
		 		
		return true;
	}
	

	function isempty(aTextField) 
	{
		var x1 = trim(aTextField.value);
	
	   if ((x1.length==0) || (x1==null)) 
	   {
		  return true;
	   }
	   else { return false; }
	}	
	





// Trimming functions ---------------------------------------------------------			
	
		function trim(TRIM_VALUE)
		{
	
			if(TRIM_VALUE.length < 1)
			{
				return "";
			}
			
			TRIM_VALUE = RTrim(TRIM_VALUE);
			TRIM_VALUE = LTrim(TRIM_VALUE);
			
			if(TRIM_VALUE=="")
			{
				return "";
			}
			else
			{
				return TRIM_VALUE;
			}
		} //End Function
		
		function RTrim(VALUE)
		{
			var w_space = String.fromCharCode(32);
			var v_length = VALUE.length;
			var strTemp = "";

			if(v_length < 0)
			{
				return"";
			}
			
			var iTemp = v_length -1;
		
			while(iTemp > -1)
			{
				if(VALUE.charAt(iTemp) == w_space)
				{}
				else
				{
					strTemp = VALUE.substring(0,iTemp +1);
					break;
				}
	
			iTemp = iTemp-1;
			
			} //End While
			
			return strTemp;
		
		} //End Function
		
		function LTrim(VALUE)
		{
			var w_space = String.fromCharCode(32);
			if(v_length < 1)
			{
				return"";
			}
			
			var v_length = VALUE.length;
			var strTemp = "";
		
			var iTemp = 0;
		
			while(iTemp < v_length)
			{
				if(VALUE.charAt(iTemp) == w_space)
				{}
				else
				{
					strTemp = VALUE.substring(iTemp,v_length);
					break;
				}
	
				iTemp = iTemp + 1;
			} //End While
			
			return strTemp;
			
		} //End Function


-->