/* - - - - - - - - - - - - - - - - - - - - - - -
 JavaScript
 vendredi 24 juillet 2009 11:54:51
 HAPedit 3.1.11.111
 - - - - - - - - - - - - - - - - - - - - - - - */
//---------------------------------+
// CARPE S l i d e r 1.3 |
// 2005 - 12 - 10 |
// By Tom Hermansson Snickars |
// Copyright CARPE Design |
// http://carpe.ambiprospect.com/ |
//---------------------------------+

var indexFromSlider = 0;
// carpeGetElementByID: Cross-browser version of "document.getElementById()"
function carpeGetElementById(element)
{
 if (document.getElementById) element = document.getElementById(element);
 else if (document.all) element = document.all[element];
 else element = null;
 return element;
}
// carpeLeft: Cross-browser version of "element.style.left"
function carpeLeft(elmnt, pos)
{
 if (!(elmnt = carpeGetElementById(elmnt))) return 0;
 return crossbrw_setLeft(elmnt,pos);
}
function crossbrw_setLeft(elmnt, pos)
{
 if (elmnt.style && (typeof(elmnt.style.left) == 'string')) {
 if (typeof(pos) == 'number') elmnt.style.left = pos + 'px';
 else
 {
 pos = parseInt(elmnt.style.left);
 if (isNaN(pos)) pos = 0;
 }
 }
 else if (elmnt.style && elmnt.style.pixelLeft) {
 if (typeof(pos) == 'number') elmnt.style.pixelLeft = pos;
 else pos = elmnt.style.pixelLeft;
 }
 return pos;
}
// carpeTop: Cross-browser version of "element.style.top"
function carpeTop(elmnt, pos)
{
 if (!(elmnt = carpeGetElementById(elmnt)))return 0;
 return crossbrw_setTop(elmnt,pos);
}
function crossbrw_setTop(elmnt, pos)
{
 if (elmnt.style && (typeof(elmnt.style.top) == 'string')) {
 if (typeof(pos) == 'number') elmnt.style.top = pos + 'px';
 else {
 pos = parseInt(elmnt.style.top);
 if (isNaN(pos)) pos = 0;
 }
 }
 else if (elmnt.style && elmnt.style.pixelTop) {
 if (typeof(pos) == 'number') elmnt.style.pixelTop = pos;
 else pos = elmnt.style.pixelTop;
 }
 return pos;
}

// moveSlider: Handles slider and display while dragging
function moveSlider(evnt)
{
 var evnt = (!evnt) ? window.event : evnt; // The mousemove event
 if (mouseover)// Only if slider is dragged
 {
 x = pxLeft + evnt.screenX - xCoord; // Horizontal mouse position relative to allowed slider positions
 y = pxTop + evnt.screenY - yCoord; // Horizontal mouse position relative to allowed slider positions
 if (x > xMax) x = xMax // Limit horizontal movement
 if (x < 0) x = 0 // Limit horizontal movement
 if (y > yMax) y = yMax // Limit vertical movement
 if (y < 0) y = 0 // Limit vertical movement

 //var ele = carpeGetElementById(sliderObj.id);
 //crossbrw_setLeft(ele);
 //crossbrw_setTop(ele);
 carpeLeft(sliderObj.id, x);
 carpeTop(sliderObj.id, y);

 var i = Math.round(sliderObj.valCount*(x + y)/sliderObj.pxLen);
 indexFromSlider = i;
 //var i = (sliderObj.valCount*(x + y)/sliderObj.pxLen);
 var v = fromVal;
 if(i==sliderObj.valCount)
 v += sliderObj.pxLen * sliderObj.scale;
 else if(i!=0)
 v += i * (sliderObj.pxLen/sliderObj.valCount) * sliderObj.scale ;
 //v = Math.round(v * Math.pow(10, displayObj.dec)) / Math.pow(10, displayObj.dec)
 //displayObj.value = v // put the new value in the slider display element
 onMoveSliderCallback(sliderObj,v);
 return false
 }
 return
}

// moveSlider: Handles the start of a slider move.
function slide(evnt,orientation)
{
 //var display = "display_"+slider_id;
 if (!evnt) evnt = window.event;
    sliderObj = (evnt.target) ? evnt.target : evnt.srcElement; // Get the activated slider element.
    //sliderObj = carpeGetElementById(sliderObj.id);

    if (orientation == 'vertical') // Set limits and scale for vertical sliders.
    {
      fromVal = sliderObj.fromVal+sliderObj.scale*sliderObj.pxLen;
      xMax = 0
      yMax = sliderObj.pxLen
      sliderObj.scale = -sliderObj.scale // Invert scale for vertical sliders. "Higher is more."
      }
    else// Set limits for horizontal sliders.
    {
      fromVal = sliderObj.fromVal;
      xMax = sliderObj.pxLen
      yMax = 0
    }
   //pxLeft = crossbrw_getLeft(sliderObj); // Sliders horizontal position at start of slide.
   //pxTop = crossbrw_getTop(sliderObj) // Sliders vertical position at start of slide.
   pxLeft = carpeLeft(sliderObj.id); // Sliders horizontal position at start of slide.
   pxTop = carpeTop(sliderObj.id) // Sliders vertical position at start of slide.

   xCoord = evnt.screenX // Horizontal mouse position at start of slide.
   yCoord = evnt.screenY // Vertical mouse position at start of slide.
   mouseover = true
   document.onmousemove = moveSlider // Start the action if the mouse is dragged.
   document.onmouseup = sliderMouseUp // Stop sliding.
}

// sliderMouseup: Handles the mouseup event after moving a slider.
// Snaps the slider position to allowed/displayed value.
function sliderMouseUp()
{
 mouseover = false // Stop the sliding.
 if (document.removeEventListener) { // Remove event listeners from 'document' (Moz&co).
 document.removeEventListener('mousemove', moveSlider,false)
 document.removeEventListener('mouseup', sliderMouseUp,false)
 }
 else if (document.detachEvent) { // Remove event listeners from 'document' (IE&co).
 document.detachEvent('onmousemove', moveSlider)
 document.detachEvent('onmouseup', sliderMouseUp)
 }
 onSliderMouseUpCallback(sliderObj.id);
}



//--- comments in slide() + added initSlider()
function initSlider(sliderObj,length,count,from,to)
{
 sliderObj.pxLen = length                         // Le mouvement slider permis en pixels.
 sliderObj.valCount = count ? count - 1 : length  // Le nombre permis de valeurs dans l'intervalle.
 sliderObj.scale = (to-from) / length             // L'échelle de Slider-étalage [le changement de valeur par pixel de mouvement].
 sliderObj.fromVal = from;                        // slider horizontal
}

//added
function setSliderPosFromValue(sliderObj, value)
{
 return crossbrw_setLeft(sliderObj,getSliderPosFromValue(sliderObj,value));
}

function getSliderPosFromValue(sliderObj, value)
{
 //var sliderObj = carpeGetElementById(slider_id);
 var pos;
 if(value == sliderObj.fromVal)
 pos = 0;
 else if(value == sliderObj.fromVal+sliderObj.pxLen*sliderObj.scale)
 pos = sliderObj.pxLen;
 else
 pos =(value-sliderObj.fromVal)/sliderObj.scale;
 return pos;
}

function crossbrw_getLeft(elmnt)
{
 var pos;
 if (elmnt.style && (typeof(elmnt.style.left) == 'string'))
 pos = parseInt(elmnt.style.left);
 else if (elmnt.style && elmnt.style.pixelLeft)
 pos = elmnt.style.pixelLeft;
 return pos;
}
function crossbrw_getTop(elmnt)
{
 var pos;
 if (elmnt.style && (typeof(elmnt.style.top) == 'string'))
 pos = parseInt(elmnt.style.top);
 else if (elmnt.style && elmnt.style.pixelTop)
 pos = elmnt.style.pixelTop;
 return pos;
}