function checkform(fn){
 
var err = ""
var mess = "Sorry we could not submit your form as there are errors:\n"
 
for (var i = 0; i < fn.elements.length; i++) {
//alert(fn.elements[i].rel);
try {

    if (fn.elements[i].type == "text" && fn.elements[i].getAttribute("label") != "null") {
        if (fn.elements[i].getAttribute("label") == "required" && fn.elements[i].value == "")
  {
  err += "Please enter a value for the field '"+fn.elements[i].name+"'.\n"
  fn.elements[i].style.backgroundColor = "#CC0000"
  }
    }
	} catch(e){}
}
 
if (err != ""){
alert(mess+err)
return false;
}
else
{
return true;
}
}