// This is the implementation of SimpleSwap
// by Jehiah Czebotar
// Version 1.1 - June 10, 2005
// Distributed under Creative Commons
// http://jehiah.com/archive/simple-swap

function SimpleSwap(el,which){
  el.src=el.getAttribute(which || "origsrc");
}

function SimpleSwapSetup(){
  var x = document.getElementsByTagName("img");
  for (var i=0;i<x.length;i++){
    var oversrc = x[i].getAttribute("oversrc");
    if (!oversrc) continue;
      
    // preload image
    // comment the next two lines to disable image pre-loading
    x[i].oversrc_img = new Image();
    x[i].oversrc_img.src=oversrc;
    // set event handlers
    x[i].onmouseover = new Function("SimpleSwap(this,'oversrc');");
    x[i].onmouseout = new Function("SimpleSwap(this);");
    // save original src
    x[i].setAttribute("origsrc",x[i].src);
  }
}

var PreSimpleSwapOnload =(window.onload)? window.onload : function(){};
window.onload = function(){PreSimpleSwapOnload(); SimpleSwapSetup();}

function changeClass(elID, elClass) 
{
	changeID=document.getElementById(elID);
	changeID.className=elClass;
}

function openPop(windowFilename, winName, windowWidth, windowHeight)
{
 window.open(windowFilename, winName, 'width=' + windowWidth +',height=' + windowHeight + ',scrollbars=yes,top=20,left=20'); 
}

/* ***************************************************** */
// Check Checkbox Status
function checkCheckboxStatus(checkName, checkFieldset, checkContainer)
{
	if (eval('document.f.'+checkName+'.checked'))
	{
		changeClass(checkFieldset, 'showfieldbox');
		changeClass(checkContainer, 'sectionextras show');
	}
	else
	{
		changeClass(checkFieldset, 'nofieldbox');
		changeClass(checkContainer, 'hide');
	}	
}

/* ***************************************************** */
// Check Radio Status
function checkRadioStatus(checkName, checkContainer)
{
	if (eval('document.f.'+checkName+'[0].checked')) // Is it no?
	{
//		changeClass(checkFieldset, 'nofieldbox');
		changeClass(checkContainer, 'hide');
	}
	else
	{
//		changeClass(checkFieldset, 'showfieldbox');
		changeClass(checkContainer, 'sectionextras show');
	}
}