/* Author : My II Lab

 * Email  : Webmaster@myiilab.com

 * Date   :	March 2008

 *

 * All rights reserved. You may use this javascript as long as the credit is given to the author

 */

var interval;

var slideId;

var total;

var currInd;

var currOp;

var slidingInt;



function initShow(newint, newid, slidingms)

{

   slideId = newid;

   interval = newint;

   slidingInt = slidingms;

   var gotmore = true;

   var i=0;

   var tmpobj;

   while (gotmore)

   {

      tmpobj = document.getElementById(slideId + i);

      if (tmpobj != null)

      {

         if (i == 0)

            tmpobj.style.display = '';

         else

            tmpobj.style.display = 'none';

         i++;

      }

      else

      {

         gotmore = false;

      }

   }

   if (i <= 0) // no such element, then stop

      return;

   total = i;

   currInd = 0;

   currOp = 0.95;

   setTimeout('playNextSlide()', interval * 2500);

}





function playNextSlide() {

   currInd++;

   currInd %= total;

   var tmpobj;



   for (var i=0; i<total; i++)

   {

      tmpobj = document.getElementById(slideId + i);

      if (tmpobj != null)

      {

         if (i == currInd)  // to be shown

         {

            tmpobj.style.display = '';

            currOp = 0.05;

         }

         else

         {

            setOpacity(tmpobj, 0.1);

            tmpobj.style.display = 'none';

         }

      }

   }

   fadeMask();

}



function fadeMask()

{

   obj = document.getElementById(slideId + currInd);

   setOpacity(obj, currOp);

   if (currOp < 0.9)

   {

      currOp += 0.1;

      setTimeout('fadeMask()', slidingInt);

   }

   else

      setTimeout('playNextSlide()', interval * 2500);

}





function setOpacity(obj, op)

{

	obj.style.filter='alpha(opacity='+ (op*100) +')';	

	obj.style.opacity = '' + op;  

}