// JavaScript Document
	/* TOGGLE SHOW/HIDE LAYER ==================================================== */
	function toggleLayer(whichLayer, wichImage)
	{
		if (document.getElementById)
		{
		var el1 = document.getElementById(wichImage);
		// this is the way the standards work
		var style2 = document.getElementById(whichLayer).style;
//		alert(style2.display);
		if (style2.display == 'none')
		{
			el1.src = 'images/btn_small.jpg';
		}
		else
		{
		 	el1.src = 'images/btn_small2.jpg';
			 
		}
		style2.display = style2.display ? "":"none";
		//alert('koekkoek');
		}
	}