function validateEmailAgent()
	{
		var eName = document.getElementById('txtSenderName');
		if(eName)
		{	
			if (eName.value== "")
			{
				ShowFormError(eName, "Please enter your name.");
				return false;	
			}
		}
		
		var eEmail = document.getElementById('txtSenderEmail');
		if(eEmail)
		{	
			if (eEmail.value== "" || IsValidEmail(eEmail.value) == false)
			{
				ShowFormError(eEmail, "Please enter a valid email address.");
				return false;	
			}
		}
		
		var eLetter = document.getElementById('txaLetter');
		if(eLetter)
		{	
			if (eLetter.value== "")
			{
				ShowFormError(eLetter, "Please enter a short message for the agent.");
				return false;	
			}
		}				
		return true;
	}
	
	function ShowFormError(obj, errText)
	{
		obj.className = "inputPlainError";
		if(document.getElementById(obj.id + 'ErrorText'))
		{
			document.getElementById(obj.id + 'ErrorText').innerHTML = errText;
		}		
		if(document.getElementById(obj.id + 'Error'))
		{
			MM_showHideLayers(obj.id + 'Error','','show');
		}
	}
	
	function HideFormError(obj,itemclass)
	{
		obj.className = itemclass;
		if(document.getElementById(obj.id + 'Error'))
		{
			MM_showHideLayers(obj.id + 'Error','','hide');
		}		
	}
	
	function IsValidEmail(str) {
		re = /^[-\w_]+(\.[-\w_]+)?@[-\w]+\.[-\w\.]+$/i;
		return str.match(re)?true:false; 
	}