var lstB=0;
	function lftBtn(){
		window.event.cancelBubble=true;
		b = window.event.srcElement;
		var bChosen = false;
		if(lstB && lstB != b) {
			clrBtn();
		}
		if(b.bType){
			b.className = b.bType + "Up";
			lstB=b;
			}
		else {
		lstB = 0;
		}
	}
	function prsBtn(){
		window.event.cancelBubble=true;
		b = window.event.srcElement;
		if(b.bType){
			b.className = b.bType + "Down";
		}
	}
	function clrBtn(){
			lstB.className = lstB.bType + "Off";
	}