function Gallery(image,description,url){this.index=0;this.photos=new Array();this.wait_interval=3;this.container_img=document.getElementById(image);if(description)
this.container_desc=document.getElementById(description);if(url)
this.container_url=document.getElementById(url);if(!window.galleries){window.galleries={};}
if(!window.last_gallery_id){window.last_gallery_id=1;}else{window.last_gallery_id++;}
this.gallery_id=window.last_gallery_id;window.galleries[this.gallery_id]=this;}
Gallery.photo=function(id,name,desc,src,alt,url){this.id=id;this.name=name;this.desc=desc;this.src=src;this.alt=alt;this.url=url;}
Gallery.prototype.add=function(id,name,desc,src,alt,url){this.photos.push(new Gallery.photo(id,name,desc,src,alt,url));}
Gallery.prototype.next=function(){return this.byIndex(this.index+1);}
Gallery.prototype.previous=function(){return this.byIndex(this.index-1);}
Gallery.prototype.byIndex=function(index){this.index=this.parseIndex(index);this.container_img.src=this.photos[this.index].src;this.container_img.alt=this.photos[this.index].alt;if(this.container_desc)
this.container_desc.innerHTML=this.photos[this.index].desc;if(this.container_url)
this.container_url.href=this.photos[this.index].url;}
Gallery.prototype.length=function(){return this.photos.length;}
Gallery.prototype.getIndex=function(){return this.index;}
Gallery.prototype.parseIndex=function(index){var MIN=0;var MAX=this.photos.length-1;if(index<MIN)
if(MAX>=MIN)
return MAX;else
return MIN;if(index>MAX)
return MIN;return index;}
Gallery.prototype.start=function(){this._showtime();}
Gallery.prototype._showtime=function(){this.next();window.setTimeout('window.galleries['+this.gallery_id+']._showtime()',this.wait_interval*1000);}
Gallery.prototype.open=function(){window.open(this.photos[this.index].url);}
Gallery.prototype.openPopup=function(){ProjectPopup(this.photos[this.index].url);}
