function changeNumbers(no) {
	
	foo = document.getElementsByTagName("img")
	for(i=0; i<foo.length; i++) {
		var thisImg = foo[i].src;
		var IsPos = thisImg.indexOf("_active");
		//alert(IsPos);
		if( IsPos == -1 && foo[i].name == no ) { 
			srclength = foo[i].src.length;
			//alert("Bingo");
			// src = "http://www.weingut-kanitz.de/images/numbers/xx_zustand.gif"
			// zustand: normal = 57 zeichen // zustand: hover = 56 zeichen
			//alert(srclength);
			var new_src = (srclength < 57) ? no + "_normal.gif" : no + "_hover.gif";
			foo[i].src = "images/numbers/" + new_src;
		}
	}
}
	/* * * * 
	 * 	remove item from card
	 */
	function removeCard(id) {
				var thisForm = document.forms['remove'];
				if( id != "" ) {
					document.forms['remove'].id.value = id;
					document.forms['remove'].submit();
				}
			}

	/* * * * 
	 * check Formular, v.Kanitz
	 */
	 function checkFields(formname, le) {
			var formE = document.forms[formname];
				for(i=0; i<formE.elements.length; i++) {
					if( formE.elements[i].title == "pflicht" ) {
						var value = formE.elements[i].value;
						if( value == "" ) {
							var elName = formE.elements[i].name;
							var kleinteil = elName.substring(1, elName.length);
							var erster = elName.substr(0,1);
							erster = erster.toUpperCase();
							if( le == 'German' ) {
								alert("Bitte fuellen Sie alle Pflichtfelder aus.\n" + erster + kleinteil + " hat keinen Inhalt");
							} else {
								alert("Please complete all mandatory fields. \nNo " + erster + kleinteil + " has been entered.");
							}
								formE.elements[i].focus();
								return false;
						} else {
							check = value.match(' '); 
							if( check ) {
								value = value.replace(/ /g, "");
								if( value == "" ) {
									var elName = formE.elements[i].name;
									var kleinteil = elName.substring(1, elName.length);
									var erster = elName.substr(0,1);
									erster = erster.toUpperCase();
									if( le == 'German' ) {
										alert(erster + kleinteil + " enthielt nur Leerzeichen");
									} else {
										alert(erster + kleinteil + " contains only spaces");
									}
									formE.elements[i].value = value;
									formE.elements[i].focus();
									return false;
								}
							}
						}
					}
				}
								
				formE.submit();
			}

// preload std-images
	function preloadImages() {
      preload_image_object = new Image();
      // set image url
      image_url = new Array();
      image_url[0] = "http://www.weingut-kanitz.de/images/basic/button_active_lorch-im-rheingau.gif";
      image_url[1] = "http://www.weingut-kanitz.de/images/basic/button_active_schloss-cappenberg.gif";
      image_url[2] = "http://www.weingut-kanitz.de/images/basic/button_active_natur+philosophie.gif";
      image_url[3] = "http://www.weingut-kanitz.de/images/basic/button_active_erstes-gewaechs.gif";
			image_url[4] = "http://www.weingut-kanitz.de/images/basic/button_hover_lorch-im-rheingau.gif";
      image_url[5] = "http://www.weingut-kanitz.de/images/basic/button_hover_schloss-cappenberg.gif";
      image_url[6] = "http://www.weingut-kanitz.de/images/basic/button_hover_natur+philosophie.gif";
      image_url[7] = "http://www.weingut-kanitz.de/images/basic/button_hover_erstes-gewaechs.gif";
			image_url[8] = "http://www.weingut-kanitz.de/images/basic/button_normal_impressum.gif";
      image_url[9] = "http://www.weingut-kanitz.de/images/basic/button_active_impressum.gif";
      image_url[10] = "http://www.weingut-kanitz.de/images/basic/button_hover_impressum.gif";
		
       var i = 0;
       for(i=0; i<=image_url.length; i++) 
         preload_image_object.src = image_url[i];
    }
		
		function preloadWineImages() {
      preload_image_object = new Image();
      // set image url
      image_url = new Array();
      image_url[0] = "http://www.weingut-kanitz.de/images/weinliste/trockene_rieslinge.gif";
      image_url[2] = "http://www.weingut-kanitz.de/images/weinliste/trockene_rieslinge_active.gif";
      image_url[3] = "http://www.weingut-kanitz.de/images/weinliste/halbtrockene_rieslinge.gif";
      image_url[5] = "http://www.weingut-kanitz.de/images/weinliste/halbtrockene_rieslinge_active.gif";
      image_url[6] = "http://www.weingut-kanitz.de/images/weinliste/fruchtige_rieslinge.gif";
			image_url[8] = "http://www.weingut-kanitz.de/images/weinliste/fruchtige_rieslinge_active.gif";
      image_url[9] = "http://www.weingut-kanitz.de/images/weinliste/erste_gewaechse_normal.gif";
			image_url[11] = "http://www.weingut-kanitz.de/images/weinliste/erste_gewaechse_active.gif";
			image_url[12] = "http://www.weingut-kanitz.de/images/weinliste/spezialitaeten_normal.gif";
			image_url[14] = "http://www.weingut-kanitz.de/images/weinliste/spezialitaeten_active.gif";
			image_url[15] = "http://www.weingut-kanitz.de/images/weinliste/sekt+braende_normal.gif";
			image_url[17] = "http://www.weingut-kanitz.de/images/weinliste/sekt+braende_active.gif";
			image_url[18] = "http://www.weingut-kanitz.de/images/weinliste/rotweine_normal.gif";
			image_url[20] = "http://www.weingut-kanitz.de/images/weinliste/rotweine_active.gif";
			image_url[21] = "http://www.weingut-kanitz.de/images/weinliste/trockene_rieslinge.gif";
		
       var i = 0;
       for(i=0; i<=image_url.length; i++) 
         preload_image_object.src = image_url[i];
    }