//check if browser is capable, NS3+, IE4+
if (document.images)
{
	// preload images
	/*
	button_05_N = new Image(160,37);
	button_05_N.src = 'images/button_05.jpg' ;
	button_05_H = new Image(160,37);
	button_05_H.src = 'images/button_05_h.jpg' ;
	*/

	function cursorOn(imgName)
	{
		document[imgName].src = 'images/'+imgName+'_h.jpg';
		// document[imgName].src = eval(imgName+ '_H' ).src;
	}

	function cursorOut(imgName)
	{
		document[imgName].src = 'images/'+imgName+'.jpg'; 
		// document[imgName].src = eval(imgName+ '_N' ).src;
	}
}