js2

function verifform(){
	var chEmail = document.getElementById("email");
	var chPwd = document.getElementById("pwd");
	var valueEmail = chEmail.value.length;
	var valuePwd = chPwd.value.length;
	var chLogin = document.getElementById("login");
	var valueLogin = chLogin.value.length;
	var email = 1;
	var pwd = 1;
	var login = 1;
	if(valueEmail<=0){
		var email = 0;
	}
	if(valuePwd<8){
		var pwd = 0;
	}
	var testEmail = chEmail.value;
	if(testEmail.indexOf("@")==-1){
		email = 0;
	}
	if(valueLogin<4){
		var login = 0;
	}
	var testPwd = chPwd.value;
	var cpt = 0;
	var letter = 0;
	for(var i=0;i<valuePwd;i++){
		if(isNaN(testPwd.charAt(i))){
			letter ++;
		}else{
			cpt ++;
		}
	}
	if(cpt!=0 && letter!=0 && email == 1 && pwd == 1 && login == 1 ){
		return true;
	}else{
		if(email == 0){
			document.getElementById("fauxemail").style.opacity = 1;
		}
		if(login == 0){
			document.getElementById("fauxlogin").style.opacity = 1;
		}
		if(pwd == 0 || cpt == 0 || letter == 0){
			document.getElementById("fauxpwd").style.opacity = 1;
		}
		return false;

	}
}