//***********************************************************************//
// ImageScroller - Author:iLawton - PureNet Solutions Ltd
//***********************************************************************//

var IsScrolling = false;
var Element;

function addLoadEvent(func) {
   var oldonload = window.onload;
   if (typeof window.onload != 'function') {
      window.onload = func;
   } else {
      window.onload = function() {
         if (oldonload) {
            oldonload();
         }
         func();
      }
   }
}

function DetectBrowser() {
   // Detects browser version and sets a higher scroll speed if the browser is IE 8.0 and above
   var browser = navigator.appName;
   var b_version = navigator.appVersion;
   var version = parseFloat(b_version);
   var speed = 3;
   var ie8 = b_version.indexOf("MSIE 8.0");

   if ((browser == "Microsoft Internet Explorer") && (ie8 != -1)) {
      speed = 7;
   }
   else if ((browser == "Netscape" || browser == "Microsoft Internet Explorer") && (version >= 4)) {
      speed = 3;
   }
   else {
      speed = 3;
   }

   return speed;
}



function ScrollLeft(ElementID) {
   Scroll(ElementID,-6);
   //Scroll(ElementID, -(DetectBrowser()));
}


function ScrollRight(ElementID) {
   Scroll(ElementID,5);
   //Scroll(ElementID, DetectBrowser());
}

function Scroll(ElementID, Value) {
   if (!IsScrolling) {
      Element = document.getElementById(ElementID);
      if (Element != null) {
         IsScrolling = true;
         MoveImages(Value);
      }
   }
}

function StopScrolling() {
   IsScrolling = false;
   Element.onMouseout = null;
}

function MoveImages(Value) {
   //if ((Element.childNodes.length * 160) > Element.offsetWidth) {
      if (IsScrolling) 
      {
         var MaxLeft = 20;
         var MaxRight = Element.offsetWidth;


         for (i = 0; i < Element.childNodes.length; i++) 
         {
            var Image = Element.childNodes[i];
            if (Image.style != null) {
               Image.style.left = (Image.offsetLeft + Value) + "px";
               if (Image.offsetLeft < MaxLeft) MaxLeft = Image.offsetLeft;
               if ((Image.offsetLeft + 160) > MaxRight) MaxRight = (Image.offsetLeft + 160);
            }
         }

         for (i = 0; i < Element.childNodes.length; i++) 
         {
            var Image = Element.childNodes[i];
            if (Image.style != null) {
               if ((Image.offsetLeft + 260) < 0 && Value < 0) {
                  Image.style.left = MaxRight + "px";
                  MaxRight = MaxRight + 160;
               }
               else if ((Image.offsetLeft) > Element.offsetWidth && Value > 0) {
               Image.style.left = (MaxLeft - 184) + "px";
               MaxLeft = MaxLeft - 184;
               }
            }
         }

         setTimeout("MoveImages(" + Value + ");", 0);
      }
  // } 
}