if (document.images) {
// off buttons
	image1_off=new Image();
	image1_off.src="images/ad.gif";

	image2_off=new Image();
	image2_off.src="images/pci.gif";

	image3_off=new Image();
	image3_off.src="images/hp.gif";

	image4_off=new Image();
	image4_off.src="images/faqs.gif";

	image5_off=new Image();
	image5_off.src="images/fpi.gif";



// on buttons
	image1_on=new Image();
	image1_on.src="images/ad1.gif";
	
	image2_on=new Image();
	image2_on.src="images/pci1.gif";
	
	image3_on=new Image();
	image3_on.src="images/hp1.gif";
	
	image4_on=new Image();
	image4_on.src="images/faqs1.gif";

	image5_on=new Image();
	image5_on.src="images/fpi1.gif";

}

function imgOnTriple(imgName) {
	if(document.images) {
		document[imgName].src = eval(imgName + "_on.src"); 
	}
}

function imgOffTriple(imgName)	{
	if(document.images) {
		document[imgName].src = eval(imgName + "_off.src"); 
	}
}