function ShowHide(visibility,tagname) {

     document.getElementById(tagname).style.visibility = visibility;
}


	function chkform()
	{
		var stop=0;

		if(document.anmelden.name.value==""){

				ShowHide('visible','namealert')
				stop=1;
				}

/*
		if(document.anmelden.url.value==""){

				ShowHide('visible','webalert')
				stop=1;
				}
*/

		if(document.anmelden.email.value==""){

				ShowHide('visible','emailalert')
				stop=1;
				}


		if(document.anmelden.password.value==""){

				ShowHide('visible','passalert')
				stop=1;
				}

	

	if(stop!=1)return true;
	else return false;
	}


	function chkformstep2(){

	var stop=0;



			if(document.anmelden.phone.value==""){

				ShowHide('visible','telalert')
				stop=1;
			}

			if(document.anmelden.address.value==""){

				ShowHide('visible','addressalert')
				stop=1;
			}

			if(document.anmelden.zip.value==""){

				ShowHide('visible','cityalert')
				stop=1;
			}

			if(document.anmelden.city.value==""){

				ShowHide('visible','cityalert')
				stop=1;
			}


			if(document.anmelden.country.value==""){

				ShowHide('visible','countryalert')
				stop=1;
			}


			if (document.anmelden.agb.checked == ""){
				alert("Der Partnervertrag muss akzeptiert werden!");
				stop=1;
			}

	if(stop!=1)return true;
	else return false;

	}