TImg=new Object();
TImg.Items=new Array();
TImg.Create=function(id, img_on, img_off) {
	this.Items[id]=new Object();
	this.Items[id].on=new Image();
	this.Items[id].on.src=img_on;
	this.Items[id].off=new Image();
	this.Items[id].off.src=img_off;
}

TImg.On=function(id) {
	var e=document.getElementById(id);
	if (e) {
		e.src=this.Items[id].on.src;
	}
}

TImg.Off=function(id) {
	var e=document.getElementById(id);
	if (e) {
		e.src=this.Items[id].off.src;
	}
}