var currentPic=1;
    function nextpic(){
        getEL("mainpic").src=pics[currentPic];
        currentPic++;
        if(currentPic==pics.length) currentPic=0;
    }
    function writePicture(){
        document.write("<img id=\"mainpic\" src=\""+pics[0]+"\" width=\"615\" height=\"486\" onclick=\"nextpic();\" alt=\""+document.title+"\" />");
    }
    function writePictureControls(){
        document.write("<a id=\"nextpic\" href=\"javascript:nextpic();\"><img src=\"images/nextpic.gif\" width=\"19\" height=\"30\" border=\"0\" alt=\"Next picture\"/></a>");
    }


    var userAgent = window.navigator.userAgent;
    var browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
    function newImage(arg) {
    	if (document.images) {
    		rslt = new Image();
    		rslt.src = arg;
    		return rslt;
    	}
    }
    function findElement(n,ly) {
    	if (browserVers < 4)		return document[n];
    	var curDoc = ly ? ly.document : document;
    	var elem = curDoc[n];
    	if (!elem) {
    		for (var i=0;i<curDoc.layers.length;i++) {
    			elem = findElement(n,curDoc.layers[i]);
    			if (elem) return elem;
    		}
    	}
    	return elem;
    }
    function changeImages() {
    	if (document.images && (preloadFlag == true)) {
    		var img;
    		for (var i=0; i<changeImages.arguments.length; i+=2) {
    			img = null;
    			if (document.layers) {
    				img = findElement(changeImages.arguments[i],0);
    			}
    			else {
    				img = document.images[changeImages.arguments[i]];
    			}
    			if (img) {
    				img.src = changeImages.arguments[i+1];
    			}
    		}
    	}
    }
    var preloadFlag = false;

    function defocus(){window.focus();}
    function getEL(obj){return document.getElementById(obj);}
    function getES(obj){return document.getElementById(obj).style;}
    function setHMTL(content){document.getElementById(obj).innerHTML=content;}