function cancelsubmit(msg,element){
	alert(msg);
	document.getElementById(element).focus();
	return false;
}

function isNumeric(what){
    if (what.search(/^[-+]?\d+(\.\d+)?$/) != -1)
        return true;
    else
        return false;
}

function isInteger(what){
	if (what.search(/^[-+]?[1-9]\d*.?[0]*$/) != -1)
        return true;
    else
        return false;
}

/*function isEmail(what) {
	// Works
    if (what.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
        return true;
    else
        return false;
}*/
function isEmail(address) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   if(reg.test(address) == false) {
      return false;
   }
   else{
	  return true;   
   }
}

function isAlphanumeric(what){
	// ANY alphanumeric string with spaces, commas, dashes.
    if (what.search(/^[a-zA-Z0-9\s.\-]+$/) != -1)
        return true;
    else
        return false;
}

function isAlphabetic(what){
    if (what.search(/^[a-zA-Z\s]+$/) != -1)
        return true;
    else
        return false;
}

function noSpaces(what){
    if (what.search(/\s/) != -1)
        return false;
    else
        return true;
}

function isCC(what){
    if (what.search(/^((4\d{3})|(5[1-5]\d{2})|(6011))-?\d{4}-?\d{4}-?\d{4}|3[4,7]\d{13}$/) != -1)
        return true;
    else
        return false;
}

function doc(what){
	return(document.getElementById(what));
}

function is_doc(what){
	if (document.getElementById(what))
		return true;
	else 
		return false;
}