/*
*****************************
*       list functions 		*
*		of control form	    *
*		version : 1.0       *
*  		date : 17/10/2008	*
*****************************
*/

function isEmpty(id){
	if(document.getElementById(id).value.length < 1){
		return false;
	}else{
		return true;
	}
}

function isEmail(id){
	if(document.getElementById(id).value.indexOf("@",1) == -1){
		return false;
	}else{
		return true;
	}
}


function isNumeric(id){
	if(isNaN(document.getElementById(id).value) == true){
		return false;
	}else{
		return true;
	}
}

function isCodePostal(id){
	if(document.getElementById(id).value.length != 5){
		return false;
	}else{
		return true;
	}
}

function isChecked(id){
	if(document.getElementById(id).checked != true){
		return false;
	}else{
		return true;
	}
}

function replaceVirgurle(id){
	if( document.getElementById(id).value.indexOf(",") > 0) {
		var chaine = document.getElementById(id).value;
		var reg=new RegExp("(,)", "g");
		document.getElementById(id).value = chaine.replace(reg,".");
	}
}