var xmlHttp

function GetXmlHttpObject() { 

	var objXMLHttp=null

	if (window.XMLHttpRequest) {

		objXMLHttp=new XMLHttpRequest()

	} else if (window.ActiveXObject) {

		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")

	}

	return objXMLHttp

}





function validate_email(field,alerttxt) {

	with (field) { 

		apos=value.indexOf("@");

		dotpos=value.lastIndexOf(".");

		if (apos<1||dotpos-apos<2) {alert(alerttxt);return false;}

		else { return true; }

	}

}

function validate_form(thisform,fieldtovalidate)

{

	with (thisform)

	{

	if (validate_email(fieldtovalidate,"Not a valid e-mail address!")==false)

	  { return false;}

	}

}

function clearout(x) { 

	//alert(x);

	document.getElementById(x).style.background="white";

}