function change(mobj){
	var tt = mobj.src.substring(mobj.src.length-7,mobj.src.length);
    var state = mobj.src.substring(0,mobj.src.length-7);
	if(tt=="hot.gif"){
		mobj.src=state+"dis.gif";
	}else{
		mobj.src=state+"hot.gif";
	}
}

function changePageImg(mobj){
	var tt = mobj.src.substring(mobj.src.length-11,mobj.src.length);
    var state = mobj.src.substring(0,mobj.src.length-11);
	if(tt=="disable.gif"){
		mobj.src=state+"enabled.gif";
	}else{
		mobj.src=state+"disable.gif";
	}
}