// JavaScript Document


function checkrequired(which) {
  var pass=true;
  for (i=0;i<which.length;i++) {
    var tempobj=which.elements[i];
    if (tempobj.name.substring(0,8)=="required") {
      if (((tempobj.type=="text"||tempobj.type=="textarea")&&
          tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&
          tempobj.selectedIndex==0)) {
        pass=false;
        break;
      }
	  else if (tempobj.name=="requiredemail"){
		//alert("it's an email")
		
		if (!isEmail(tempobj.value)){
			alert("That is not a valid Email Address")
			return false;
		}
	  }
    }
  }
  if (!pass) {
    shortFieldName=tempobj.name.substring(8,30).toUpperCase();
    alert("The "+shortFieldName+" field is a required field.");
    return false;
  } else {
  	return true;
  }
}

function isEmail(str) {
  // are regular expressions supported?
  //alert("checking email")
  var supported = 0;
  if (window.RegExp) {
    var tempStr = "a";
    var tempReg = new RegExp(tempStr);
    if (tempReg.test(tempStr)) supported = 1;
  }
  if (!supported) 
    return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
  var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
  var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
  //alert(!r1.test(str) && r2.test(str))
  return (!r1.test(trim(str)) && r2.test(trim(str)));
}

function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}
function ltrim(stringToTrim) {
	return stringToTrim.replace(/^\s+/,"");
}
function rtrim(stringToTrim) {
	return stringToTrim.replace(/\s+$/,"");
}