javascript donctionne avec IE et pas Firefox

<td class="tdproc" width="183"><b>Exercice d'émission</b> <font color="#ff0000">*</font></td>
<td class="tdproc" width="272">2007</td>
<td class="tdproc" width="119"><b>Date d'émission </b><font color="#ff0000">*</font></td>
<td width="230">
<table border="0" cellpadding="0" cellspacing="0">
<tbody><tr><td style="padding-left: 0px;"><input readonly="readonly" name="dateEmis" size="13" value="20/06/2007" class="input_struts" type="text">

</td>
<td style="padding-left: 0px;" align="left">
<span id="calendrier" style="display: block;"> <a href="javascript:void(0)" onclick="ds_sh(dateEmis)">
<img src="/wps/PA_1_0_FM/newimages/calendar.gif"></a></span>
</td>
<td style="padding-left: 7px; vertical-align: middle;"><span id="calendrier1" style="display: block;">(jj/mm/aaaa)</span> </td>
</tr><tr><td colspan="3" style="padding-left: 0px;"> <div class="error">

<script type="text/javascript">

// 
</script>

bonjour et merci pour toutes vos réponses et désolée pour les 2 posts je ne me rappelais pas avoir posé la question sur ce forum en général je fais très attention à cela

Jcoutsit Javascript est activée

Cervent pour le script j'ai copié le code source de la page c'est long mais pour être sûr

voici le code source de la date à modifier:

<td class="tdproc" width="183"><b>Exercice d'émission</b> <font color="#ff0000">*</font></td>
								<td class="tdproc" width="272">2007</td>
								<td class="tdproc" width="119"><b>Date d'émission </b><font color="#ff0000">*</font></td>
							  <td width="230">
							  <table border="0" cellpadding="0" cellspacing="0">
							      <tbody><tr><td style="padding-left: 0px;"><input readonly="readonly" name="dateEmis" size="13" value="20/06/2007" class="input_struts" type="text">

									</td>
								    <td style="padding-left: 0px;" align="left">
										  <span id="calendrier" style="display: block;"> <a href="javascript:void(0)" onclick="ds_sh(dateEmis)">
											<img src="/wps/PA_1_0_FM/newimages/calendar.gif"></a></span>
									</td>
							      <td style="padding-left: 7px; vertical-align: middle;"><span id="calendrier1" style="display: block;">(jj/mm/aaaa)</span> </td>
							      </tr><tr><td colspan="3" style="padding-left: 0px;"> <div class="error">

									</div>
								  </td>
								</tr>
							   </tbody></table>
							 </td>
							</tr>

quant au script je crois que c'est celui là :

<script type="text/javascript">

function modifier(){
	
	//document.all.b_modifier.disabled=true;
	//document.all.b_confirmer.disabled=false;
	
	document.all.dateEmis.disabled=false;
	document.all.dateEmis.readOnly=true;
	document.all.depPart.disabled=false;
	document.all.calendrier.style.display="block";
	document.all.calendrier1.style.display="block";
	document.all.trMod.style.display="none";
	document.all.trConf.style.display="inline";
	document.all.ongletActif.style.display="none";
	document.all.ongletInactif.style.display="inline";


	
	
}
function confirmDeleteBE(url,numbe){
	if (confirm('Voulez-vous vraiment supprimer le Bordereau N° '+numbe+' et toutes ses OPs ?')){		
		window.location=url
	}
}


function confirmQuitter(url){
	if (confirm('Voulez-vous vraiment quitter l\\'opération en cours et retourner au menu ?')){		
		window.location=url
	}
}

</script>

et il ya également ceci:

<!-- Calendrier -->

<script type="text/javascript">

// <!-- <![CDATA[

// Project: Dynamic Date Selector (DtTvB) - 2006-03-16
// Script featured on JavaScript Kit- http://www.javascriptkit.com
// Code begin...
// Set the initial date.
var ds_i_date = new Date();
ds_c_month = ds_i_date.getMonth() + 1;
ds_c_year = ds_i_date.getFullYear();

// Get Element By Id
function ds_getel(id) {
	return document.getElementById(id);
}

// Get the left and the top of the element.
function ds_getleft(el) {
	var tmp = el.offsetLeft;
	el = el.offsetParent
	while(el) {
		tmp += el.offsetLeft;
		el = el.offsetParent;
	}
	return tmp;
}
function ds_gettop(el) {
	var tmp = el.offsetTop;
	el = el.offsetParent
	while(el) {
		tmp += el.offsetTop;
		el = el.offsetParent;
	}
	return tmp;
}

// Output Element
var ds_oe = ds_getel('ds_calclass');
// Container
var ds_ce = ds_getel('ds_conclass');

// Output Buffering
var ds_ob = ''; 
function ds_ob_clean() {
	ds_ob = '';
}
function ds_ob_flush() {

	ds_oe.innerHTML = ds_ob;

	ds_ob_clean();
}
function ds_echo(t) {
	ds_ob += t;
}

var ds_element; // Text Element...

var ds_monthnames = [
'Janvier', 'Février', 'Mars', 'Avril', 'Mai', 'Juin',
'Juillet', 'Aout', 'Septembre', 'Octobre', 'Novembre', 'Décembre'
]; 
var ds_daynames = [
'Dim', 'Lun', 'Mar', 'Me', 'Jeu', 'Ven', 'Sam'
];

// Calendar template
function ds_template_main_above(t) {
	return '<table cellpadding="3" cellspacing="1" class="ds_tbl">'
	     + '<tr>'
		 + '<td class="ds_head" style="cursor: pointer" onclick="ds_py();"><<</td>'
		 + '<td class="ds_head" style="cursor: pointer" onclick="ds_pm();"><</td>'
		 + '<td class="ds_head" style="cursor: pointer" onclick="ds_hi();" colspan="3">[Fermer]</td>'
		 + '<td class="ds_head" style="cursor: pointer" onclick="ds_nm();">></td>'
		 + '<td class="ds_head" style="cursor: pointer" onclick="ds_ny();">>></td>'
		 + '</tr>'
	     + '<tr>'
		 + '<td colspan="7" class="ds_head">' + t + '</td>'
		 + '</tr>'
		 + '<tr>';
}

function ds_template_day_row(t) {
	return '<td class="ds_subhead">' + t + '</td>';
	// Define width in CSS, XHTML 1.0 Strict doesn't have width property for it.
}

function ds_template_new_week() {
	return '</tr><tr>';
}

function ds_template_blank_cell(colspan) {
	return '<td colspan="' + colspan + '"></td>'
}

function ds_template_day(d, m, y) {
	return '<td class="ds_cell" onclick="ds_onclick(' + d + ',' + m + ',' + y + ')">' + d + '</td>';
	// Define width the day row.
}

function ds_template_main_below() {
	return '</tr>'
	     + '</table>';
}

// This one draws calendar...
function ds_draw_calendar(m, y) {
	// First clean the output buffer.
	ds_ob_clean();
   
	// Here we go, do the header
	ds_echo (ds_template_main_above(ds_monthnames[m - 1] + ' ' + y));

	for (i = 0; i < 7; i ++) {
		ds_echo (ds_template_day_row(ds_daynames[i]));
	}
   
	// Make a date object.
	var ds_dc_date = new Date();
	ds_dc_date.setMonth(m - 1);
	ds_dc_date.setFullYear(y);
	ds_dc_date.setDate(1);
	if (m == 1 || m == 3 || m == 5 || m == 7 || m == 8 || m == 10 || m == 12) {
		days = 31;
	} else if (m == 4 || m == 6 || m == 9 || m == 11) {
		days = 30;
	} else {
		days = (y % 4 == 0) ? 29 : 28;
	}
 
	var first_day = ds_dc_date.getDay();
	var first_loop = 1;
	// Start the first week
	ds_echo (ds_template_new_week());
   
	// If sunday is not the first day of the month, make a blank cell...
	if (first_day != 0) {
		ds_echo (ds_template_blank_cell(first_day));
	}

	var j = first_day;
	for (i = 0; i < days; i ++) {
		// Today is sunday, make a new week.
		// If this sunday is the first day of the month,
		// we've made a new row for you already.
		if (j == 0 && !first_loop) {
			// New week!!
			ds_echo (ds_template_new_week());
		}
		// Make a row of that day!
		ds_echo (ds_template_day(i + 1, m, y));
		// This is not first loop anymore...
		first_loop = 0;
		// What is the next day?
		j ++;
		j %= 7;
	}

	// Do the footer
	ds_echo (ds_template_main_below());

	// And let's display..
	ds_ob_flush();

	// Scroll it into view.
	ds_ce.scrollIntoView();

}

// A function to show the calendar.
// When user click on the date, it will set the content of t.
function ds_sh(t) {
   
	// Set the element to set...
	ds_element = t;
	// Make a new date, and set the current month and year.
	var ds_sh_date = new Date();
    
	ds_c_month = ds_sh_date.getMonth() + 1;
	ds_c_year = ds_sh_date.getFullYear();
   
	// Draw the calendar
	ds_draw_calendar(ds_c_month, ds_c_year);

	// To change the position properly, we must show it first.
	ds_ce.style.display = '';
	// Move the calendar container!
	the_left = ds_getleft(t);
	the_top = ds_gettop(t) + t.offsetHeight;
	ds_ce.style.left = the_left + 'px';
	ds_ce.style.top = the_top + 'px';
	// Scroll it into view.
	ds_ce.scrollIntoView();
    
}

// Hide the calendar.
function ds_hi() {
	ds_ce.style.display = 'none';
}

// Moves to the next month...
function ds_nm() {
	// Increase the current month.
	ds_c_month ++;
	// We have passed December, let's go to the next year.
	// Increase the current year, and set the current month to January.
	if (ds_c_month > 12) {
		ds_c_month = 1; 
		ds_c_year++;
	}
	// Redraw the calendar.
	ds_draw_calendar(ds_c_month, ds_c_year);
}

// Moves to the previous month...
function ds_pm() {
	ds_c_month = ds_c_month - 1; // Can't use dash-dash here, it will make the page invalid.
	// We have passed January, let's go back to the previous year.
	// Decrease the current year, and set the current month to December.
	if (ds_c_month < 1) {
		ds_c_month = 12; 
		ds_c_year = ds_c_year - 1; // Can't use dash-dash here, it will make the page invalid.
	}
	// Redraw the calendar.
	ds_draw_calendar(ds_c_month, ds_c_year);
}

// Moves to the next year...
function ds_ny() {
	// Increase the current year.
	ds_c_year++;
	// Redraw the calendar.
	ds_draw_calendar(ds_c_month, ds_c_year);
}

// Moves to the previous year...
function ds_py() {
	// Decrease the current year.
	ds_c_year = ds_c_year - 1; // Can't use dash-dash here, it will make the page invalid.
	// Redraw the calendar.
	ds_draw_calendar(ds_c_month, ds_c_year);
}

// Format the date to output.
function ds_format_date(d, m, y) {
	// 2 digits month.
	m2 = '00' + m;
	m2 = m2.substr(m2.length - 2);
	// 2 digits day.
	d2 = '00' + d;
	d2 = d2.substr(d2.length - 2);
	// YYYY-MM-DD
//	return y + '-' + m2 + '-' + d2;
	return d2 + '/' + m2 + '/' + y;
}

// When the user clicks the day.
function ds_onclick(d, m, y) {
	// Hide the calendar.
	ds_hi();
	// Set the value of it, if we can.
	if (typeof(ds_element.value) != 'undefined') {
		ds_element.value = ds_format_date(d, m, y);
	// Maybe we want to set the HTML in it.
	} else if (typeof(ds_element.innerHTML) != 'undefined') {
		ds_element.innerHTML = ds_format_date(d, m, y);
	// I don't know how should we display it, just alert it to user.
	} else {
		alert (ds_format_date(d, m, y));
	}
}


// And here is the end.

// ]]> -->
</script>

merci infiniment

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