var PreloadFlag = false;
var baseURL = 'http://www.mishpics.com/images/';
if (document.images) {
	enter = new Image(); enter.src = baseURL + "enterBut-on.gif";
	PreloadFlag = true;
}
function changeImg(state) {
    if (document.images && PreloadFlag) {
        document['enter'].src = baseURL + 'enterBut' + state + '.gif';
    }
}