var btn_off = new Image();	btn_off.src = "../_templates/img/workbox/btn.gif";
var btn_on = new Image();	btn_on.src = "../_templates/img/workbox/btn_down.gif";


function btnAction(imgObj,btnStat){
	if(btnStat=="press"){
		imgObj.src=btn_on.src;
	}else if(btnStat=="release"){
		imgObj.src=btn_off.src;
	}
}