function traite_date(madate)
{
//onchange="this.value=traite_date(this.value);"
	var sep='/';
	var today=new Date()
	var jour=''+today.getDate();
	var mois=''+(today.getMonth()+1);
	var an=''+today.getFullYear();

	if(madate.length==0)
		return '';
		
	madate=madate.replace(" ","/");
	madate=madate.replace(" ","/");
	madate=madate.replace(".","/");
	madate=madate.replace(".","/");
	madate=madate.replace("-","/");
	madate=madate.replace("-","/");

	var tab_madate;
	var monjour;
	var monmois;
	var monan;

	if(madate.indexOf("/")==-1)
	{
		monjour=''+madate.substr(0,2);
		monmois=''+madate.substr(2,2);
		monan=''+madate.substr(4,4);
	}
	else
	{
		tab_madate=madate.split("/");
		monjour=tab_madate[0];
		monmois=''+tab_madate[1];
		monan=''+tab_madate[2];
	}
	
	if(monmois=='undefined'||monmois=='')
		monmois=mois;
	if(monan=='undefined'||monan=='')
		monan=an;

	if(monjour.length==1)
		monjour='0'+monjour;
	if(monmois.length==1)
		monmois='0'+monmois;
	if(monan.length<4)
	{
		if(monan.length==2&monan>=70)
			monan='19'+monan;
		else
			monan=an.substr(0,4-monan.length)+monan;
	}

	return monjour+sep+monmois+sep+monan;
}