// ferdinandcc.org copyright 2009
// @author Josh Pope / joshpope.net

// pass an array of image paths and preload them to the cache
function imagePreloader(imageArray)
			{
				for(var i=0;i<imageArray.length;i++)
				{
				this["preloaded_"+i] = new Image();
				this["preloaded_"+i].src = imageArray[i];
				}
			}
			
// just a basic prototype-like function to grab elements as an array based on class name
function getElementsByClassName(class_name)
      {
        var all_obj,ret_obj=new Array(),j=0,teststr;

        if(document.all)all_obj=document.all;
        else if(document.getElementsByTagName && !document.all)
          all_obj=document.getElementsByTagName("*");

        for(i=0;i<all_obj.length;i++)
        {
          if(all_obj[i].className.indexOf(class_name)!=-1)
          {
            teststr=","+all_obj[i].className.split(" ").join(",")+",";
            if(teststr.indexOf(","+class_name+",")!=-1)
            {
              ret_obj[j]=all_obj[i];
              j++;
            }
          }
        }
        return ret_obj;
      }
      
 // pass in a class name and make all text within that element uppercase
 function makeUpperCase(els)
      	{
      	
					for(var i = 0; i<els.length; i++)
					{
						var q = els[i].innerHTML;
						var j = q.toUpperCase();
					
						els[i].innerHTML = j;
					}
      	}
      	
		// this is how we make sure the badge on the top-right tout is placed in the correct place.
		// this is sort of experimental and hackish but its a decent solution.
function setCalloutReadMore(negValue)
	{
		var el = document.getElementById("toutimage");
		var q = document.getElementById("toutcontent");		
		el.style.position = "absolute";
		//el.style.top = (q.offsetHeight-22)+"px";
		document.getElementById("image-callout").style.top = (q.offsetHeight+27)+"px";
		
	}
	
function emailSignupClick(el)
	{
		var response = el.value == "Email Address" ? "" : el.value;
		el.value = response;
	}
function emailSignupRelease(el)
	{
		var response = el.value == "" ? "Email Address" : el.value;
		el.value = response;
	}
function emailSignupClick_two(el)
	{
		var response = el.value == "Search" ? "" : el.value;
		el.value = response;
	}
function emailSignupRelease_two(el)
	{
		var response = el.value == "" ? "Search" : el.value;
		el.value = response;
	}