function Validate() 
		 
		{ 
		if (document.loginform.username.value=="") 
		{ 
		alert("Username is Required") 
		document.loginform.username.focus();return false 
		} 
		 
		var spChar = "<>=!?@#*~"; 
		for(var i = 0; i < document.loginform.username.value.length; i++) { 
		if (spChar.indexOf(document.loginform.username.value.charAt(i)) != -1) { 
		alert ("Your username has special characters which are not allowed."); 
		return false; 
		} 
		} 
		 
		if (document.loginform.password.value=="") 
		{ 
		alert("Password is Required") 
		document.loginform.password.focus();return false 
		} 
		 
		for(var i = 0; i < document.loginform.password.value.length; i++) { 
		if (spChar.indexOf(document.loginform.password.value.charAt(i)) != -1) { 
		alert ("Your password has special characters which are not allowed."); 
		return false; 
		} 
		} 
		}