// JavaScript Document

function swap(name,state) {
    if(thePics[name+state] && thePics[name+state].complete) {
        document.images[name].src = thePics[name+state].src;
    }
}

function preloadPics(thePics) {
	for (i=0;i<thePics.length;i++){
		thePics[thePics[i]] = new Image();
		thePics[thePics[i]].src = 'images/'+thePics[i]+'.gif';
		thePics[thePics[i]+'_on'] = new Image();
		thePics[thePics[i]+'_on'].src = 'images/'+thePics[i]+'_on.gif';
	}
}