function checkUncheck(id) {
	var chkbox = document.getElementById(id);

	if(chkbox.checked == true) {
		chkbox.checked = false;
	}
	else {
		chkbox.checked = true;
	}
}

function getElementByClass(classe)
{
   var divs = document.getElementsByTagName('table');
   var resultats = new Array();
   for(var i=0; i<divs.length; i++)
		if(divs[i].className == classe)
			 resultats.push(divs[i]);
   return resultats;

}

  function cocher_tout(form, checkbox, balise) {

	var cocher = document.getElementById(checkbox).checked;

	if(cocher == true) { action = 1; } else { action = 0; }

	if(balise == "") {
		var Table = document.getElementById(form);
		var Chckbox = Table.firstChild;
	}
	else if(balise == "class") {
		var Table = getElementByClass(form);
		var Chckbox = Table[0].firstChild;
	}
	else if(balise == "id") {
		var Table = document.getElementById(form);
		var Chckbox = Table.firstChild;
	}

	while (Chckbox!=null) {

		if (Chckbox.nodeName=="TBODY") {

			var Chckbox2 = Chckbox.firstChild;

			while (Chckbox2!=null) {

				if (Chckbox2.nodeName=="TR") {

					var Chckbox3 = Chckbox2.firstChild;

					while (Chckbox3!=null) {

						if (Chckbox3.nodeName=="TD") {

							var Chckbox4 = Chckbox3.firstChild;

							while (Chckbox4!=null) {

								if (Chckbox4.nodeName=="INPUT") {

									if (Chckbox4.getAttribute("type")=="checkbox" || Chckbox4.id != checkbox) {

										Chckbox4.checked = action;
									}
								}

								Chckbox4 = Chckbox4.nextSibling;
							}
						}

						Chckbox3 = Chckbox3.nextSibling;
					}

				}

				Chckbox2 = Chckbox2.nextSibling;
			}
		}

		Chckbox = Chckbox.nextSibling;
	}
}