function ajouteEvenement(){
	var a = arguments;
	//alert(a.length);
	return document.addEventListener ? a[0].addEventListener(a[1],a[2],a[3] || false) : a[0].attachEvent ? a[0].attachEvent("on"+a[1],a[2]) : false;
}

String.prototype = {
	trim : function(){
		var leading = /^\s+/g;
		var trailling = /\s+$/g;
		
		if(this.getType() == String) return this.replace(leading,"").replace(trailling,"");
		else return false; // ou this ?
	}
};

function isEmail(str){
	var reg = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;

	return reg.test(str);
}

function isTelephone(str){
	var reg = /^[0-9\(\)\+\.\-]+$/;

	return reg.test(str);
}

function isDate(str){
	var reg = /^\d{2}\/\d{2}\/\d{4}$/;
	
	return reg.test(str);
}

function isNum(str){
	var reg = /^[0-9]+$/;
	
	return reg.test(str);
}

function strpos (haystack, needle, offset){
	var i = (haystack+'').indexOf(needle, (offset ? offset : 0));
	return i === -1 ? false : i;
}

function MM_findObj(n, d) { //v3.0

	  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {

	    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}

	  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];

	  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;

	}
	function MM_validateForm() { 
	 var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
	 for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
	 if (val) { nm=val.name; if ((val=val.value)!="") {
	 if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
	 if (p<1 || p==(val.length-1)) errors+='-adresse e-mail non valide.\n';
	 } else if (test!='R') { num = parseFloat(val);
	  if (val!=''+num) errors+='- '+nm+' must contain a number.\n';
	        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
	          min=test.substring(8,p); max=test.substring(p+1);
	          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
	    } } } else if (test.charAt(0) == 'R') errors += '-  * Champ obligatoire.\n'; }
	  } if (errors) alert('Veuillez saisir le(s) champ(s) suivants:\n'+errors);
	  document.MM_returnValue = (errors == '');
	}