// Correctly handle PNG transparency in Win IE 5.5 or higher.
// http://homepage.ntlworld.com/bobosola. Updated 02-March-2004


// FONCTION CORRECTION PNG

function correctPNG() 
   {
   for(var i=0; i<document.images.length; i++)
      {
	  var img = document.images[i]
	  var imgName = img.src.toUpperCase()
	  if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
	     {
		 var imgID = (img.id) ? "id='" + img.id + "' " : ""
		 var imgClass = (img.className) ? "class='" + img.className + "' " : ""
		 var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
		 var imgStyle = "display:inline-block;" + img.style.cssText 
		 if (img.align == "left") imgStyle = "float:left;" + imgStyle
		 if (img.align == "right") imgStyle = "float:right;" + imgStyle
		 if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle		
		 var strNewHTML = "<span " + imgID + imgClass + imgTitle
		 + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
	     + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
		 + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
		 img.outerHTML = strNewHTML
		 i = i-1
	     }
      }
   }
window.attachEvent("onload", correctPNG);


 // SWAP IMAGE
 
function swap_img(imgname,imgpic){
document.images[imgname].src='/img/'+imgpic;
}

function swap_img2(imgname,imgpic){
document.images[imgname].src=imgpic;
}



// FUNCTION POUR LES FORMULAIRES

// Positionne le curseur dans un champ donne
function focusElement(formName, elemName) {
    var elem = document.forms[formName].elements[elemName];
    elem.focus();
    elem.select();
}


// MONTRE / MASQUE

  function montre(id) {
	  if (document.getElementById) {
		  document.getElementById(id).style.display="";
		} else if (document.all) {
		  document.all[id].style.display="";
		} else if (document.layers) {
		  document.layers[id].display="";
		} } 
		
    function cache(id) {
	  if (document.getElementById) {
		  document.getElementById(id).style.display="none";
		} else if (document.all) {
		  document.all[id].style.display="none";
		} else if (document.layers) {
		  document.layers[id].display="none";
		} }


// POP-UP CENTRE

function PopupCentrer(page,largeur,hauteur,options)
			{
				var top=(screen.height-hauteur)/2;
				var left=(screen.width-largeur)/2;
				window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
			}