// JavaScript Document
function Banner(refreshTime, width, height, altText, start, random){
                this.objName = "bannerAd" + (Banner.count++);
                eval(this.objName + "=this");
                if (!refreshTime) this.refreshTime = 5000; else this.refreshTime = refreshTime*1000;
                if (!width) this.width = 460; else this.width = width;
                if (!height) this.height = 68; else this.height = height;
                if (random == null) this.random = 1; else this.random = random;
                this.altText = altText;
                this.ads = [];
                if (start) this.currentAd = start-1; else start = null;
                this.mySize = 0;

                this.Ad = function(src, href, target, mouseover) {
                                var tempImage = new Image();
                                tempImage.src = src;
                                this.ads[this.mySize] = new Object();
                                var ad = this.ads[this.mySize];
                                ad.src = src;
                                if (typeof(target) == "undefined" || target == null) ad.target = "_self"; else ad.target = target;
                                ad.href = href;
                                ad.mouseover = mouseover;
                                this.mySize++;
                }

                this.link = function(){
                                var          ad = this.ads[this.currentAd];
                                if (ad.target == "_self"){
                                                location.href = ad.href;
                                }
                                else if (ad.target == "_blank" || ad.target == "_new"){
                                                open(ad.href,this.objName + "Win");
                                }
                                else top.frames[ad.target].location.href = ad.href;
                }

                this.showStatus = function(){
                                var ad = this.ads[this.currentAd];
                                if (ad.mouseover) status = ad.mouseover;
                                else status = ad.href;
                }

                this.randomAd = function(){
                                var n;
                                do { n = Math.floor(Math.random() * (this.mySize)); } 
                                while(n == this.currentAd);
                                this.currentAd = n;
                }

                this.output = function(){
                                var tempCode = "";
                                if (this.mySize > 1){
                                                if (this.currentAd == null) this.randomAd();
                                                if (this.currentAd >= this.mySize) this.currentAd = this.mySize - 1;
                                                tempCode = '<a href="javascript:'+this.objName+'.link();"';
                                                tempCode += ' onMouseOver="' + this.objName + '.showStatus(); return true"';
                                                tempCode += ' onMouseOut="status=\'\';return true">';
                                                tempCode += '<img src="' + this.ads[this.currentAd].src + '" width="' + this.width;
                                                tempCode += '" name="' + this.objName + 'Img" height="' + this.height + '" ';
                                                if (this.altText) tempCode += 'alt="'+this.altText + '" ';
                                                tempCode += 'border="0" /></a>';
                                                document.write(tempCode);
                                                this.nextAd();
                                } else document.write("Error: two banners must be defined for the script to work.");
                }

                this.newAd = function(){
                                if (!this.random){             
                                                this.currentAd++;
                                                if (this.currentAd >= this.mySize)
                                                   this.currentAd = 0;
                                }
                                else {
                                                this.randomAd();
                                }
                                this.nextAd();
                }

                this.nextAd = function(){
                                document.images[this.objName+ 'Img'].src = this.ads[this.currentAd].src;
                                setTimeout(this.objName+'.newAd()',this.refreshTime)
                }
}
Banner.count = 0;


