function checkEmailContact(email) {

var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
return filter.test(email);

}
function checkContactUs()
{
	//if (document.forms[0].elements['nocheck'].value == 1)
	// return true;
	 
	var err="";
	var nameTxt=document.forms[0].elements["ctl01_nameTxt"];
	
	var welcomeTxt=document.forms[0].elements["ctl01_emailTxt"];
	
	if(nameTxt.value==""){
		err+="\"Fill in First Name\"\n";
		nameTxt.focus();
	}
	

	if(!checkEmailContact(welcomeTxt.value)){
		if(!err)welcomeTxt.focus();
		err+="\"Fill in Email\"\n";
	}


	if(err)
		alert("Please, fill Mandatory fields(s):\n\n"+err);

	return !err;
}