// JavaScript Document


/**********************************************
* Centered PopUp Script Begins
**********************************************/

function NewWindow(mypage, myname, w, h, scroll) {
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable,statusbar=no'
win = window.open(mypage, myname, winprops)
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}

/**********************************************
* Prevent Double Submit
**********************************************/

function checkit ()
{
  if (dunnit) {
    alert ("This form has already been submitted.");
    return false;
  } else {	
    dunnit = true;
    return true;
  }
}
var dunnit = false;


/**********************************************
* Image Mouseover
**********************************************/

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}