// mouseover/mouseoff array constructor
function imgsToSwap(name,overimg,offimg){
	this.over = new Image();
	this.off = new Image();
	this.name = name;
	this.over.src = overimg;
	this.off.src = offimg;
}

rollArray = new Array();
rollArray[0] = new imgsToSwap("dropdown1", "buttons/home_on.gif", "buttons/home_off.gif");
rollArray[1] = new imgsToSwap("dropdown2", "buttons/gas_on.gif", "buttons/gas_off.gif");
rollArray[2] = new imgsToSwap("dropdown3", "buttons/service_on.gif", "buttons/service_off.gif");
rollArray[3] = new imgsToSwap("dropdown4", "buttons/autoparts_on.gif", "buttons/autoparts_off.gif");
rollArray[4] = new imgsToSwap("dropdown5", "buttons/towing_on.gif", "buttons/towing_off.gif");
rollArray[5] = new imgsToSwap("dropdown6", "buttons/carwash_on.gif", "buttons/carwash_off.gif");
rollArray[6] = new imgsToSwap("dropdown7", "buttons/contact_on.gif", "buttons/contact_off.gif");

// swap image on mouseover
function showOver(imagename){
	for(var i=0; i < rollArray.length; i++){
	if(imagename == rollArray[i].name){
		document.images[imagename].src = rollArray[i].over.src;
	}
	}
}

// swap image on mouseoff
function showOff(imagename){
	for(var i=0; i < rollArray.length; i++){
		if(imagename == rollArray[i].name){
			document.images[imagename].src = rollArray[i].off.src;
		}
	}
}


// END ROLLOVER SCRIPT