function trim(s)
{
	while (s.substring(0,1) == ' ')
	{
		s = s.substring(1,s.length);
	}
	while (s.substring(s.length-1,s.length) == ' ')
	{
		s = s.substring(0,s.length-1);
	}
	return s;
}

function validate()
{
		if(document.form1.keyval.value=="")
		{
		alert('An Error Occured :: Please Enter The Search Keywords.');document.form1.keyval.focus();return false;
		}
		
		if(trim(document.form1.keyval.value)=="")
		{
		alert('An Error Occured :: No Space In Search Keywords.');document.form1.keyval.focus();return false;
		}
}