function showDiv(div){
	document.getElementById(div).style.display = "block";
}
function hideDiv(div){
	document.getElementById(div).style.display = "none";
}
function action(form){
	document.forms[form].submit();
}
function go(page){
	window.location = page;
}
function enabled(form){
	var nbinput = document.forms[form].elements.length - 3;
	var bool = document.forms[form].elements['bool'].value;
	var cool = document.forms[form].elements['cool'].value;
	if (bool == '0'){
		for (var i=0;i<nbinput;i++){
			document.forms[form].elements[i].disabled = null;
		}
		if (cool == 'fr'){
			document.forms[form].elements['bouton'].value = ' Valider ';
		}
		else if (cool == 'en'){
			document.forms[form].elements['bouton'].value = ' Submit ';
		}
		document.forms[form].elements['bool'].value = '1';
	}
	else {
		document.forms[form].elements['bool'].value = '0';
		document.forms[form].elements['bouton'].onClick = action(form);	
	}	
}
function exit(pageune, pagedeux){
 	if (confirm('Voulez-vous vraiment quitter l\'Extranet ?')){
		window.location = pageune ;
 	}
 	else {
		window.location = pagedeux ;
 	}
}
/* PHOTOTHEQUE */
function uncheck(form){
	document.forms[form].elements['id_taille'].checked = null;
	document.forms[form].elements['id_poids'].checked = null;
	document.forms[form].elements['id_photo'].checked = null;
}
/* num correspond à la première apparation de l'occurrence de taille - poids - auteur - ou photo dans le tableau ar, avec indice commençant à 0 
'i+4' => taille - poids - auteur - photo se répète toutes les 4 fois
'j = 2' => première occurrence de "auteur" dans le tableau "ar" / j+4 => l'occurrence "auteur" se répète toutes les 4 fois
*/
function showHide0(form, id, div, num){
	var d = document.forms[form].elements[id];
	var ar = document.getElementsByTagName(div); // crée un tableau comportant toutes les occurences de "span" dans l'exemple CTR
	var i = num;
	if (i == 3){
		var j = 2;
	}
	if (d.checked){			
		while (i<ar.length){
			ar[i].style.display = 'block';
			if ((j%2) == 0){
				ar[j].style.display = 'none';
				j = j+4;
			}
			i = i+4;
		}
	}
	else {
		while (i<ar.length){
			ar[i].style.display = 'none';
			if ((j%2) == 0){
				ar[j].style.display = 'block';
				j = j+4;
			}
			i = i+4;
		}
	}
}
function showHide0_b(div1, div2, div3, div4, form, input) {
	var d = document.forms[form].elements[input];
	if (document.getElementById){	
		if (d.value == 0){
			document.getElementById(div1).style.display = 'block';
			document.getElementById(div2).style.display = 'block';
			document.getElementById(div3).style.display = 'none';
			document.getElementById(div4).style.display = 'block';
			d.value = 1;
		}
		else if (d.value == 1){
			document.getElementById(div1).style.display = 'none';
			document.getElementById(div2).style.display = 'none';
			document.getElementById(div3).style.display = 'block';
			document.getElementById(div4).style.display = 'none';
			d.value = 0;
		}
	}
	else if (document.all){
		if (d.value == 0){
			document.all[div1].style.display = 'block';
			document.all[div2].style.display = 'block';
			document.all[div3].style.display = 'none';
			document.all[div4].style.display = 'block';
			d.value = 1;
		}
		else if (d.value == 1){
			document.all[div1].style.display = 'none';
			document.all[div2].style.display = 'none';
			document.all[div3].style.display = 'block';
			document.all[div4].style.display = 'none';
			d.value = 0;
		}
	}	
}

/* LIENS  */
function showHide2(form, id, div, num){
	var d = document.forms[form].elements[id];
	var ar = document.getElementsByTagName(div);
	var i = num;
	if (d.checked){	
		while (i<ar.length){
			ar[i].style.display = 'block';			
			i = i+2;
		}		
	}
	else {
		while (i<ar.length){
			ar[i].style.display = 'none';
			i = i+2;
		}
	}
}
function showHide2_b(div1, div2, form, input) {
	var d = document.forms[form].elements[input];
	if (document.getElementById){	
		if (d.value == 0){
			document.getElementById(div1).style.display = 'block';
			document.getElementById(div2).style.display = 'block';
			d.value = 1;
		}
		else if (d.value == 1){
			document.getElementById(div1).style.display = 'none';
			document.getElementById(div2).style.display = 'none';
			d.value = 0;
		}
	}
	else if (document.all){
		if (d.value == 0){
			document.all[div1].style.display = 'block';
			document.all[div2].style.display = 'block';
			d.value = 1;
		}
		else if (d.value == 1){
			document.all[div1].style.display = 'none';
			document.all[div2].style.display = 'none';
			d.value = 0;
		}
	}	
}

/* AGENDA  */
function showHide3(form, id, div, num){
	var d = document.forms[form].elements[id];
	var ar = document.getElementsByTagName(div);
	var i = num;
	if (d.checked){	
		while (i<ar.length){
			ar[i].style.display = 'block';			
			i = i+1;
		}		
	}
	else {
		while (i<ar.length){
			ar[i].style.display = 'none';
			i = i+1;
		}
	}
}
function showHide3_b(div1, form, input) {
	var d = document.forms[form].elements[input];
	if (document.getElementById){	
		if (d.value == 0){
			document.getElementById(div1).style.display = 'block';
			d.value = 1;
		}
		else if (d.value == 1){
			document.getElementById(div1).style.display = 'none';
			d.value = 0;
		}
	}
	else if (document.all){
		if (d.value == 0){
			document.all[div1].style.display = 'block';
			d.value = 1;
		}
		else if (d.value == 1){
			document.all[div1].style.display = 'none';
			d.value = 0;
		}
	}	
}