function signinContact(nom,prenom,entreprise,tel,fax,mail,message)
{
	var OAjax;
	if (window.XMLHttpRequest) OAjax = new XMLHttpRequest();
	else if (window.ActiveXObject) OAjax = new ActiveXObject('Microsoft.XMLHTTP'); 
	OAjax.open('POST',"signinContact.php",true);
	OAjax.onreadystatechange = function()
	{
		if (OAjax.readyState == 4 && OAjax.status==200)
		{
			if (document.getElementById) 
			{	
				if (OAjax.responseText == 'true') {
				alert('Nous vous contacterons dans les plus brefs délais.');	
				document.getElementById('msg').innerHTML='';
				ViewContent('contenue', 'data/page1/page1.php', 'GET', null)

				}else{
				document.getElementById('msg').innerHTML=OAjax.responseText;
				}
			}
		}
	}
	OAjax.setRequestHeader('Content-type','application/x-www-form-urlencoded');
	OAjax.send('nom='+nom+'&prenom='+prenom+'&entreprise='+entreprise+'&tel='+tel+'&fax='+fax+'&mail='+mail+'&message='+message);
}