/* 

  Image Link, single style version
  written by Alen Grakalic, provided by Css Globe (cssglobe.com)
  please visit http://cssglobe.com/post/1238/style-your-image-links for more info
  
*/

this.imagelink = function(){
  
  // CONFIG
    
  
  // css class of images that you want to apply this script to
  // if you want to apply this script to all images inside anchor tags, leave this string blank
  var imageClass = "play";
  
  // css class that defines how span that covers the image is styled by default
  // if you don't want any styling, leave this string blank
  var defaultClass = "play";
  
  // css class that defines how span that covers the image is styled when rolled over 
  var overClass = "imageOver";
      
  // END CONFIG
  
  var a = document.getElementsByTagName("a");
    for (var i=0;i<a.length;i++){
      var img = a[i].getElementsByTagName("img");    
      for (var j=0;j<img.length;j++){      
        if(img[j].className == imageClass || imageClass == ""){
          a[i].style.position = "static";    
          if(a[i].getElementsByTagName("span").length > 0) a[i].removeChild(a[i].getElementsByTagName("span")[0]);
          var span = document.createElement("span");  
          var image = img[j];
          span.style.position = "absolute";
          span.style.top = image.offsetTop + "px";
          span.style.left = image.offsetLeft + "px";
          span.style.width = image.offsetWidth + "px";
          span.style.height = image.offsetHeight + "px";
          span.style.cursor = "pointer";
          span.out = span.className = defaultClass;
          span.over = overClass;
          span.a = img[j].a = a[i];  
          span.j = img[j].j = j;          
          a[i]["span" + j] = span;          
          span.onmouseover = img[j].onmouseover = function(){ 
            this.a["span" + this.j].className = this.a["span" + this.j].over;
          };
          span.onmouseout = img[j].onmouseout = function(){
            this.a["span" + this.j].className = this.a["span" + this.j].out;
          };
          a[i].appendChild(span);      
        };    
      };  
    };

};



// script initiates on page load. 

this.addEvent = function(obj,type,fn){
  if(obj.attachEvent){
    obj['e'+type+fn] = fn;
    obj[type+fn] = function(){obj['e'+type+fn](window.event );}
    obj.attachEvent('on'+type, obj[type+fn]);
  } else {
    obj.addEventListener(type,fn,false);
  };
};
addEvent(window,"load",imagelink);
addEvent(window,"resize",imagelink);