function $a(x){
	return document.getElementById(x);
}
function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}

function preloadImages() {
    if (document.images) {
	preloadFlag = true;
    }
}

var preloadFlag = false;
preloadImages();
 
var http   = createRequestObject();
var vcity  = '';
var clrOn  = 'e3e9f3'; //d0e0f8
var clrOff = 'efefef'; // efefef

function removeImg(x) {
 var images = document.getElementById('images');
 var imgdiv = document.getElementById(x);
 images.removeChild(imgdiv);
}