function  imgSizePx(smallWidth, largeWidth, smallHeight, largeHeight, imgElement)
    {
      // alert(imgElement.style.width);
      if (parseInt(imgElement.style.width)<=smallWidth || parseInt(imgElement.style.height)<=smallHeight || isNaN(parseInt(imgElement.style.width)) || isNaN(parseInt(imgElement.style.height)) )
      {
      imgElement.style.width=largeWidth+'px';
      imgElement.style.height=largeHeight+'px';
      }else
      {
        imgElement.style.width=smallWidth+'px';
        imgElement.style.height=smallHeight+'px';
      }
      return true;
    }

    function imgSizeDoublePx(smallWidth, smallHeight, imgElement)
    {
      var scaleFactor = 3;
      // Check if sizeDoubled custom property has been set, if not set to false
      if (!imgElement.sizeDoubled) 
      {
      	imgElement.sizeDoubled='false';
      }
      
      if (imgElement.sizeDoubled=='false')
      {
        imgElement.width=parseInt(imgElement.width)*scaleFactor;
        imgElement.height=parseInt(imgElement.height)*scaleFactor;
        imgElement.sizeDoubled='true';
        return true;
      }
      if (imgElement.sizeDoubled=='true')
      {
        imgElement.width=parseInt(imgElement.width)/scaleFactor;
        imgElement.height=parseInt(imgElement.height)/scaleFactor;
        imgElement.sizeDoubled='false';
        return true;
      }

      return false;
    }