/* ------------------------------------------------------------------------------ */
	/*
	
		project:				R2i.ntegrated Website
		file: 					rollover.js
		creator:				Ben Kutil
		creation date:	2007-01-07
		copyright:			(c) 2007 Round2 Communications. All rights reserved.
	
	*/
/* ------------------------------------------------------------------------------ */

function findimg()
{
 var imgs,i;
// Loop through all images, check if they contain the class roll
 imgs=document.getElementsByTagName('img');
 for(i=0;i<imgs.length;i++)
 {
  if(/roll/.test(imgs[i].className))
  {
// add the function roll to the parent Element of the image
  imgs[i].parentNode.onmouseover=function(){roll(this);};
  imgs[i].parentNode.onmouseout=function(){roll(this);};
  imgs[i].parentNode.onfocus=function(){roll(this);};
  imgs[i].parentNode.onblur=function(){roll(this);};
  }
 }
}

function roll(o)
{
 var i,isnode,src,ftype,newsrc,nownode;
 /*	loop through all childNodes*/
 for (i=0;i<o.childNodes.length;i++)
 {
  nownode=o.childNodes[i];
	/* if the node is an element and an IMG set the variable and exit the loop */
  if(nownode.nodeType==1 && /img/i.test(nownode.nodeName))
  {
   isnode=i;
   break;
  }
 }
	/* check src and do the rollover */
 src = o.childNodes[isnode].src;
 ftype = src.substring(src.lastIndexOf('.'), src.length);
 if(/-on/.test(src))
 {
  newsrc = src.replace('-on','-off');
 }else{
  newsrc = src.replace('-off'+ftype, '-on'+ftype);
 }
 o.childNodes[isnode].src=newsrc;
}



addEvent(window, 'load', findimg);