function _submit()
{
     var inputs = document.getElementsByTagName("input");
     for (var i=0; i<inputs.length; i++)  {
          if (inputs[i].className == "btn-envoyer")  {
               inputs[i].onmouseover = function()
               {
                  this.src = this.src.replace(".gif", "-hover.gif");
               }
               inputs[i].onmouseout = function()
               {
                    this.src = this.src.replace("-hover.gif", ".gif");
               }
          }
     }
}
function initInputs()
{
    var arr = new Array("input", "textarea")
    for (var j=0; j<arr.length; j++)
    {
        var inputs = document.getElementsByTagName(arr[j]);
        for (var i=0; i<inputs.length; i++)
        {
            inputs[i].onfocus = function ()
            {
                this.className += " focus";
            }
            inputs[i].onblur = function ()
            {
                this.className = this.className.replace("focus", "");
            }
        }
    }
}
if (window.addEventListener)
    window.addEventListener("load", initInputs, false);
else if (window.attachEvent)
    window.attachEvent("onload", initInputs);

function _init() {
	 _submit();
	 initInputs();
}
if (window.addEventListener)
     window.addEventListener("load", _init, false);
else if (window.attachEvent)
     window.attachEvent("onload", _init)