<!--

/* =====---------------------------------===== */

function gEBI(eID) {
	if (document.getElementById) {
		var obj = document.getElementById(eID);
		return obj;
	}
}	// gEBI()

/* =====---------------------------------===== */

function findimg()
{
	var i,imgs;
// loop through all images of the document
	imgs=document.getElementsByTagName('img');
	for(i=0;i<imgs.length;i++)
	{
// test if the class 'roll' exists
		if(/roll/.test(imgs[i].className))
		{
// add the function roll to the image onmouseover and onmouseout and send
// the image itself as an object
			imgs[i].onmouseover=function(){roll(this);};
			imgs[i].onmouseout=function(){roll(this);};
		}
	}
}

/* =====---------------------------------===== */

function roll(o)
{
// get the src of the image, and find out the file extension
	var src = o.src;
	var ftype = src.substring(src.lastIndexOf('.'), src.length);
// check if the src already has an _on and delete it, if that is the case 
	if(/thh/.test(src))
	{
		var newsrc = src.replace('thh','thl');
	}else{
// else, add the _on to the src 
		var newsrc = src.replace('thl', 'thh');
	}
	o.src=newsrc;
}

/* =====---------------------------------===== */
//-->