/**
*	sId				ID des zu tauschenden Bildes
*	iCounterName	Variablenname des Zählers
*	iCounter		Wert der Zählers
*	aImages			Array mit Bildnamen zum Wechseln
*/
function clsImageChanger(sIDImage){
	this.iCounter   = 0;
	this.aImageName = new Array();
	this.sIDImage   = sIDImage;	
	
	this.addImage = clsImageChanger_addImage;
	this.change   = clsImageChanger_change;
}
function clsImageChanger_addImage(sImage){
	this.aImageName[this.aImageName.length]=sImage;
}
function clsImageChanger_change(){
	if(this.aImageName && this.aImageName.length > 0) {
		window.document.getElementById(this.sIDImage).src = this.aImageName[this.iCounter];
		this.iCounter++;
		if(this.iCounter >= this.aImageName.length) {
			this.iCounter = 0;
		}
	}
}