// JavaScript Document
function validateLogin(form){
	retFlag = true;//holds the return status
	strMsg = "";//holds error msgs to be displayed
	focusField ="";//holds field where focus has to be set
	
	if(form.login.value==""){//checks that field is not left blank 
		strMsg += "User Id Cannot be left Blank\n";
		if(retFlag==true)focusField = form.login;
		retFlag = false;
	}else if(trim(form.login.value)==""){//checks that field does not contain blank spaces
		strMsg += "User Id Cannot contain Spaces\n";
		form.login.value="";
		if(retFlag==true)focusField = form.login;
		retFlag = false;
	}
	if(form.password.value==""){//checks that field is not left blank 
		strMsg += "Password Cannot be left Blank\n";
		if(retFlag==true)focusField = form.password;
		retFlag = false;
	}else if(trim(form.password.value)==""){//checks that field does not contain blank spaces
		strMsg += "Password Cannot contain Spaces\n";
		form.password.value="";
		if(retFlag==true)focusField = form.password;
		retFlag = false;
	}

	if(retFlag==false){//display all Error Messages
		alert(strMsg);
		focusField.focus();
		return false;
	}
	return true;
}