function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}

function noInput(evt) {
    evt = (evt) ? evt : event;
    return false;
}

function doClear(theText) {
    if (theText.value == theText.defaultValue) {
		theText.value = ""
	}
}

function confirmSubmit(message) {
	var agree = confirm(message);
	if (agree)
		return true;
	else
		return false;
}

function numbersonly(myfield, e, dec) {
	var key;
	var keychar;
	
	if (window.event)
		key = window.event.keyCode;
	else if (e)
		key = e.which;
	else
		return true;
		keychar = String.fromCharCode(key);
		
	// control keys
	if ((key==null) || (key==0) || (key==8) || 
    (key==9) || (key==13) || (key==27) )
	return true;

	// numbers
	else if ((("0123456789").indexOf(keychar) > -1))
	return true;

	// decimal point jump
	else if (dec && (keychar == ".")) {
		myfield.form.elements[dec].focus();
	   return false;
	} else
		return false;
}

window.onload = function() {
	externalLinks();
}