/****************************************************************************************************************
* *
* Dieser Quellcode ist urheberrechtlich geschützt. Das Vervielfältigen oder Abändern ist untersagt. *
* *
* Copyright 2009 Volker Last - vlast@gmx.de *
* *
****************************************************************************************************************/
window_name = 'Galagos';
// Druckversion anzeigen
function printPage() {
var printcontent = document.getElementById('printcontent');
printcontent.value = encodeURIComponent(document.getElementById('maincontent').innerHTML);
window.open('', 'druckfenster', 'width=660, height=700, scrollbars=1');
document.getElementById('printform').submit();
}
// Bilder vorab laden
function preload(img) {
var image = document.createElement('img');
image.src = img;
}
// Bildwechsel
function changeImage(img_id, img_src) {
var img = document.getElementById(img_id);
img.src = img_src;
}
// Textgröße ändern
function setFontSize() {
if(window.name.indexOf(window_name) == -1)
window.name = 0+window_name;
else {
var content = document.getElementById('maincontent');
var old_value = parseInt(content.style.fontSize.substring(0, content.style.fontSize.indexOf('px')));
content.style.fontSize = (old_value+parseInt(window.name.substring(0, window.name.indexOf(window_name))))+'px';
setFont(content, parseInt(window.name.substring(0, window.name.indexOf(window_name))));
}
}
function increaseFont() {
if(parseInt(window.name.substring(0, window.name.indexOf(window_name))) < 9) {
var content = document.getElementById('maincontent');
window.name = (parseInt(window.name.substring(0, window.name.indexOf(window_name)))+1)+window_name;
var old_value = parseInt(content.style.fontSize.substring(0, content.style.fontSize.indexOf('px')));
content.style.fontSize = (old_value+1)+'px';
setFont(content, 1);
}
}
function decreaseFont() {
if(parseInt(window.name.substring(0, window.name.indexOf(window_name))) > -9) {
var content = document.getElementById('maincontent');
window.name = (parseInt(window.name.substring(0, window.name.indexOf(window_name)))-1)+window_name;
var old_value = parseInt(content.style.fontSize.substring(0, content.style.fontSize.indexOf('px')));
content.style.fontSize = (old_value-1)+'px';
setFont(content, -1);
}
}
function resetFont() {
var content = document.getElementById('maincontent');
var old_value = parseInt(content.style.fontSize.substring(0, content.style.fontSize.indexOf('px')));
content.style.fontSize = (old_value-parseInt(window.name.substring(0, window.name.indexOf(window_name))))+'px';
setFont(content, -parseInt(window.name.substring(0, window.name.indexOf(window_name))));
window.name = 0+window_name;
}
function setFont(content, font_value) {
var child_length = content.childNodes.length;
for(var i = 0; i < child_length; ++i) {
var child_node = content.childNodes[i];
if(child_node.nodeType == 1) {
if(child_node.tagName.toLowerCase() == 'font') {
var old_value = child_node.style.fontSize;
if(old_value != '') {
old_value = parseInt(old_value.substring(0, old_value.indexOf('px')));
child_node.style.fontSize = (old_value+font_value)+'px';
}
}
if(child_node.hasChildNodes())
setFont(child_node, font_value);
}
}
}
// Popup Bild öffnen
function showPopupNormal(img) {
var windowcontent = 'Detailansicht';
var popupwindow = window.open('', 'popupfenster', 'width=520, height=520, top=200, left=300');
popupwindow.document.open();
popupwindow.document.write(windowcontent);
popupwindow.document.close();
}
// Lightbox
var lightboxstate = false;
var bgdelay = 10;
var bgstepFF = 0;
var bgstepIE = 0;
var bgstepsFF = 10;
var bgstepsIE = 90;
var bgopacity = 90;
var bgcolor = '#111111';
var bginterval = '';
var ctdelay = 300;
window.onresize = placeImage;
document.onkeypress = closePopup;
function showPopup(imgname) {
lightboxstate = true;
var backgroundlink = document.createElement('a');
backgroundlink.setAttribute('href', '#');
backgroundlink.setAttribute('onclick', 'return closePopup();');
var background = document.createElement('div');
background.setAttribute('id', 'background');
var container = document.createElement('div');
container.setAttribute('id', 'container');
var imagecontainer = document.createElement('div');
imagecontainer.setAttribute('id', 'imagecontainer');
var image = new Image();
image.src = 'images/popup_'+imgname;
image.id = 'image';
var p = document.createElement('p');
p.setAttribute('style', 'text-align:right; font-weight:bold;');
var text = document.createTextNode('X Close');
p.appendChild(text);
imagecontainer.appendChild(image);
imagecontainer.appendChild(p);
container.appendChild(imagecontainer);
backgroundlink.appendChild(container);
backgroundlink.appendChild(background);
document.body.appendChild(backgroundlink);
var bg = document.getElementById('background');
bg.style.zIndex = '1';
bg.style.opacity = '.'+bgstepFF;
bg.style.filter = 'alpha(opacity='+bgstepIE+')';
bg.style.backgroundColor = bgcolor;
bg.style.position = 'fixed';
bg.style.left = '0px';
bg.style.top = '0px';
bg.style.width = '100%';
bg.style.height = '100%';
var ct = document.getElementById('container');
ct.style.cursor = 'default';
ct.style.visibility = 'hidden';
ct.style.zIndex = '2';
ct.style.position = 'fixed';
ct.style.top = '0px';
ct.style.left = '0px';
ct.style.width = '100%';
ct.style.height = '100%';
var imgct = document.getElementById('imagecontainer');
imgct.style.cursor = 'pointer';
imgct.style.position = 'absolute';
imgct.style.backgroundColor = '#ffffff';
imgct.style.paddingLeft = '10px';
imgct.style.paddingRight = '10px';
imgct.style.paddingTop = '10px';
imgct.style.paddingBottom = '20px';
showBackground();
}
function waitForImage() {
var img = document.getElementById('image');
if(img.complete == true) {
placeImage();
window.setTimeout('showContainer()', ctdelay);
} else
window.setTimeout('waitForImage()', 100);
}
function placeImage() {
if(lightboxstate) {
var imgct = document.getElementById('imagecontainer');
imgctX = imgct.clientWidth;
imgctY = imgct.clientHeight;
sizeX = window.document.documentElement.clientWidth;
sizeY = window.document.documentElement.clientHeight;
mL = (parseInt((sizeX-imgctX)/2) > 0 ? parseInt((sizeX-imgctX)/2) : 0);
mT = (parseInt((sizeY-imgctY)/2) > 0 ? parseInt((sizeY-imgctY)/2) : 0);
imgct.style.marginLeft = mL+'px';
imgct.style.marginTop = mT+'px';
}
}
function showBackground() {
var bg = document.getElementById('background');
if(bgstepFF < bgopacity) {
bgstepFF += bgstepsFF;
bg.style.opacity = '.'+bgstepFF;
}
if(bgstepIE < bgopacity) {
bgstepIE += bgstepsIE;
bg.style.filter = 'alpha(opacity='+bgstepIE+')';
}
if(bgstepFF >= bgopacity && bgstepIE >= bgopacity) {
waitForImage();
bgstepFF = 0;
bgstepIE = 0;
} else
window.setTimeout('showBackground()', bgdelay);
}
function showContainer() {
var ct = document.getElementById('container');
ct.style.visibility = 'visible';
}
function closePopup() {
if(lightboxstate) {
lightboxstate = false;
document.body.removeChild(document.body.lastChild);
return false;
}
}
// Lightbox Ende
function checkForm() {
var error = '';
if(document.getElementById('names').value == '')
error += '- Ihr Name\n';
if(document.getElementById('email').value == '')
error += '- E-Mail\n';
if(document.getElementById('subject').value == '')
error += '- Betreff\n';
if(error != '') {
error = 'Bitte füllen Sie folgende Felder aus:\n\n'+error;
alert(error);
return false;
} else
return true;
}