//=====================================
// © Tilman Reiff, tilman@re-source.com
//=====================================


function getCurrent() {
	currentThema=getCurrentImgs('b_');
}

function getCurrentImgs(myID) {
	var myNum = 0;
	for (i=0; i<document.images.length; i++) {
		if ( (document.images[i].name.substring(0,2) == myID) && (document.images[i].src.indexOf('_on') != -1)) {
			myNum = i;
		} 
	} return myNum;
}

function imageOn(imgName) {
	var myImg = imgName;
		
	if (document.images && currentThema >= 0) {
		
		if (rolloverTimer) {
			clearTimeout(rolloverTimer);
			rolloverTimer = false;
		}
		imageChange(document.images[currentThema].name, 'off');
		imageChange(myImg, 'on');
		
	}
}


function imageOff(imgName) {
	
	if (document.images && currentThema >= 0) {
			clearTimeout(rolloverTimer);
			rolloverTimer = setTimeout("imageChange(document.images[currentThema].name, 'on');", 300);
			imageChange(imgName, 'off');
				
	}
}

function imageChange(imgName, state) {
	if (document.images) {
		var myImg = imgName + '_' + state;
		imgOff = eval(myImg + ".src");
		document.images[imgName].src = imgOff;
	}
}

//-->