/*  
*******************************************************
* WWW.JLSNET.CO.UK v4.5                               *
* scripts.js                                          *
* By: James Lee Saunders                              *
* Date: 20 Feb 2010                                    *
*******************************************************
*/

/* Force External links to open in new window */
function doPopups() {
   if (!document.getElementsByTagName) return false;
   var links = document.getElementsByTagName("a");
   for (var i=0; i < links.length; i++) {
      if (links[i].href && links[i].href.substr(0,24) != "http://www.jlsnet.co.uk/") {
         links[i].onclick = function() {
            window.open(this.href);
            return false;
         }
      }
   }
}

/* Correctly handle PNG transparency in Win IE 5.5 & 6 */
function pngFix() {
   var arVersion = navigator.appVersion.split("MSIE")
   var version = parseFloat(arVersion[1])
   
   if ((version >= 5.5) && (document.body.filters)) 
   {
      for(var i=0; i<document.images.length; i++)
      {
         var img = document.images[i]
         var imgName = img.src.toUpperCase()
         if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
         {
            var imgID = (img.id) ? "id='" + img.id + "' " : ""
            var imgClass = (img.className) ? "class='" + img.className + "' " : ""
            var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
            var imgStyle = "display:inline-block;" + img.style.cssText 
            if (img.align == "left") imgStyle = "float:left;" + imgStyle
            if (img.align == "right") imgStyle = "float:right;" + imgStyle
            if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
            var strNewHTML = "<span " + imgID + imgClass + imgTitle
            + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
            + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
            + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
            img.outerHTML = strNewHTML
            i = i-1
         }
      }
   }
}

/* Movable Insert Boxes */
function createInserts() {

   if(document.getElementById("firstlist")) {
      Sortable.create("firstlist",
         {dropOnEmpty:true, containment:["firstlist","secondlist"], constraint:false, onChange:function(){}});
   } else {
      /* Do Noting */
   }
   
   if(document.getElementById("secondlist")) {
      Sortable.create("secondlist",
         {dropOnEmpty:true, containment:["firstlist","secondlist"], constraint:false, onChange:function(){}});
   } else {
      /* Do Noting */
   }
}
   
window.onload = function() {
   doPopups();
   createInserts();
   pngFix();
}