// JavaScript Document
function verify() {
var myString = document.searchform.string.value
var themessage = "Error: ";
if (document.searchform.string.value=="") {
themessage = themessage + " - Please enter a term to search for";
}
if (myString.length < 3) {
themessage = themessage + " - Your search must contain at least 3 characters";
}

//alert if fields are empty and cancel form submit
if (themessage == "Error: ") {
document.searchform.search.disabled = 'disabled';

document.searchform.submit();
}
else {

alert(themessage);
return false;
   }
}