hexa = new makearray(16);
for(var i = 0; i < 10; i++)
   hexa[i] = i;
hexa[10]="a"; hexa[11]="b"; hexa[12]="c";
hexa[13]="d"; hexa[14]="e"; hexa[15]="f";

var fadeId = new Array();

function dehexize(Color)
{
   var colorArr = new makearray(3);
   for (i=1; i<7; i++) {

      for (j=0; j<16; j++) {

         if (Color.charAt(i) == hexa[j]) {

            if (i%2 !=0)
		colorArr[Math.floor((i-1)/2)]=eval(j)*16;
            else
                colorArr[Math.floor((i-1)/2)]+=eval(j);
         }
      }
   }

   return colorArr;
}

function dofade(element, color1, color2, step)
{ 
   startColor = dehexize(color1.toLowerCase());
   endColor = dehexize(color2.toLowerCase());

   fade(startColor, endColor, element, step);     
}

function makearray(n)
{
   this.length = n;
   for(var i = 1; i <= n; i++)
      this[i] = 0;
   return this;
}

function hex(i)
{
   if (i < 0)
      return "00";
   else
      if (i > 255)
         return "ff";
      else
         return "" + hexa[Math.floor(i/16)] + hexa[i%16];
}

function setColor(r, g, b, element)
{
   var hr = hex(r); var hg = hex(g); var hb = hex(b);

   var el = document.getElementById(element);

   colorStr = "#" + hr + hg + hb;

   if (colorStr == "#000000")
	colorStr = "";

   el.style.backgroundColor = colorStr;
}

function fade(s,e, element,step)
{
   var sr = s[0]; var sg = s[1]; var sb = s[2];
   var er = e[0]; var eg = e[1]; var eb = e[2];

   if (fadeId[0] != null) {

      setColor(sr, sg, sb, fadeId[0]);

      var i = 1;
      while(i < fadeId.length) {

         clearTimeout(fadeId[i]);
         i++;

      }
   }

   for(var i = 0; i <= step; i++) {

      fadeId[i+1] = setTimeout("setColor(Math.floor(" +sr+ " *(( " +step+ " - " +i+ " )/ " +step+ " ) + " +er+ " * (" +i+ "/" +
                                step+ ")),Math.floor(" +sg+ " * (( " +step+ " - " +i+ " )/ " +step+ " ) + " +eg+ " * (" +i+ "/" +step+
                                ")),Math.floor(" +sb+ " * ((" +step+ "-" +i+ ")/" +step+ ") + " +eb+ " * (" +i+ "/" +step+ ")),'"+element+"');",i*step);

   }

   fadeId[0] = element;
}

function setImage(element, urlStr)
{
    var el = document.getElementById(element);

    el.src = urlStr;
}

function setTDImage(element, urlStr)
{
    var el = document.getElementById(element);

    el.style.backgroundImage = ("url(" + urlStr + ")");
}