function change(theLayertoChange,theImagetoChange,newImageName) {
	
	document.getElementById('showhide1').style.display = "none";
	document.getElementById('showhide2').style.display = "none";
	document.getElementById('showhide3').style.display = "none";
	document.getElementById('showhide4').style.display = "none";

	document.showHideControl1.src='/images/buttons/productsFeatures_0.gif';	
	document.showHideControl2.src='/images/buttons/productsPhoneFreedom_0.gif';	
	document.showHideControl3.src='/images/buttons/productsConnectAnywhere_0.gif';	
	document.showHideControl4.src='/images/buttons/productsEasySetup_0.gif';	
	
	if (document.getElementById(theLayertoChange).style.display == "none") {
		document.getElementById(theLayertoChange).style.display = "inline";
		document.getElementById(theImagetoChange).src='/images/buttons/' + newImageName ;	
	}
}