var b = 1
function mainOn(a){ 
	showLayerNumber(a);
	
	if (document.images) {
	document.getElementById("menu" + b).className = 'tabsLabels'	
	document.getElementById("menu" + a).className = 'tabsLabelsOn'
	
	}
	b=a;

}
	
	 	



	
	


// simple rollovers and rollouts
function imgOn(name) {
	if (document.images) {
	document[name].src = eval(name + "on.src");
	
	}
}

function imgOut(name) {
	if (document.images) {
	document[name].src = eval(name + "off.src");
		
	}
}



function imgDown(name) {
	if (document.images) {
	document[name].src = eval(name + "down.src");
		
	}
}