// Allgemeine Variablen
var window_loaded = false;
var search_string = 'Suchbegriffe';
obj_startpage_coupon = '';
obj_startpage_reminder = '';

// Array für zusätzliche Funktionen die in der onload ausgeführt werden sollen
col_onload_functions = new Array();

// Objekt für die Variablen der Standardwerte zum Resizen
dimensions_default = new Object();

window.onload = window_onload;
window.onresize = window_onresize;

function window_onload(){
	window_loaded = true;
	
    for (i=0;i<col_onload_functions.length;i++){
		eval(col_onload_functions[i]);
	}

    // Standardwerte zum Resizen
    
    // Startpage initialisieren
    
    obj_startpage_coupon = document.getElementById('startpage_coupon');
    obj_startpage_reminder = document.getElementById('startpage_reminder');
    
	// Resizefunktion aufrufen
	window_onresize();
    
}

function window_onresize(){
	if (window_loaded){
        
    }
}




/*-- Spam protection --*/

    function getAdr(prefix, postfix, text){
        document.write('<a href="mailto:' + prefix + '@' + postfix + '">' + (text ? text.replace(/&quot;/g, '"').replace(/%EMAIL%/, prefix + '@' + postfix) : prefix + '@' + postfix) + '</a>');
    }



function swapImage(element, newimage) {
	var oldsrc = element.src
	element.src = newimage
	if (!element.onmouseout)
		element.onmouseout = function (event) { swapImage(this, oldsrc); };
}

var popupmenuoldonload = window.onload;
window.onload = function() {
	var nav1 = document.getElementById('nav1');
	var uls1 = nav1.getElementsByTagName('UL');
	for(var i = 0; i < uls1.length; i++)
		new xMenu1(uls1[i], 0, 'mouseover');
	var nav2 = document.getElementById('nav2');
	var uls2 = nav2.getElementsByTagName('UL');
	for(var i = 0; i < uls2.length; i++)
		new xMenu1(uls2[i], 0, 'mouseover');
	if(popupmenuoldonload)
		popupmenuoldonload();
}

function xMenu1(menu, mouseMargin, openEvent) {
	var isOpen = false;
	if (menu) {
		xAddEventListener(menu.parentNode, openEvent, onOpen, false);
	}

	function onOpen() {
		if (!isOpen) {
            obj_navitem = menu.parentNode;
            obj_navitem.style.zIndex = '5300';
			obj_navlink = obj_navitem.getElementsByTagName('A')[0];
			if (obj_navlink.className.indexOf('active')==-1 && obj_navlink.className.indexOf('activenode')==-1){
			    hover_prefix = '';
                if (obj_navlink.className.length>0){
                    hover_prefix = ' ';
                }
                obj_navlink.className += hover_prefix + 'hover';
			}
			xShow(menu);
			HideSelects(xPageX(menu), xPageY(menu), xWidth(menu), xHeight(menu));
			xAddEventListener(document, 'mousemove', onMousemove, false);
			isOpen = true;
		}
	}
	function onMousemove(ev) {
		var e = new xEvent(ev);
		contains = (xHasPoint(menu, e.pageX, e.pageY, -mouseMargin) || xHasPoint(menu.parentNode, e.pageX, e.pageY, -mouseMargin));
		if(!contains) {
			var submenus = menu.getElementsByTagName('UL');
			for(var i = 0; i < submenus.length; i++)
				if(xHasPoint(submenus[i], e.pageX, e.pageY, -mouseMargin)) {
					contains = true;
					break;
				}
		}
		if(!contains) {
			xHide(menu);
            obj_navitem = menu.parentNode;
            obj_navitem.style.zIndex = '';
			obj_navlink = menu.parentNode.getElementsByTagName('A')[0];
			if (obj_navlink.className.indexOf(' hover')!=-1){
				obj_navlink.className = obj_navlink.className.replace(' hover','');
			}
            if (obj_navlink.className.indexOf('hover')!=-1){
                obj_navlink.className = obj_navlink.className.replace('hover','');
            }
			HideSelects(0, 0, 0, 0);
			xRemoveEventListener(document, 'mousemove', onMousemove, false);
			isOpen = false;
		}
	}
}

var sel;
function HideSelects(x,y,w,h) {
	if(xIE4Up && !xMac) {
		var selx, sely, selw, selh, i
		if(!sel)
			sel = document.getElementsByTagName("SELECT");
		for(i = 0; i < sel.length; i++) {
			selx = xPageX(sel[i]);
			sely = xPageY(sel[i]);
			selw = sel[i].offsetWidth;
			selh = sel[i].offsetHeight;
			sel[i].style.visibility = (selx + selw > x && selx < x + w && sely + selh > y && sely < y + h) ? "hidden" : "visible";
		}
	}
}

// Leerzeichen hinten und vorne bei einem String Objekt wegschneiden
function trim(string) {
	return string.replace(/^\s*|\s*$/,'');
}

function checkEmail(val) {
	if (val) {
		var usr = "([a-zA-Z0-9][a-zA-Z0-9_.-]*|\"([^\\\\\x80-\xff\015\012\"]|\\\\[^\x80-\xff])+\")";
		var domain = "([a-zA-Z0-9][a-zA-Z0-9._-]*\\.)*[a-zA-Z0-9][a-zA-Z0-9._-]*\\.[a-zA-Z]{2,5}";
		var regex = "^"+usr+"\@"+domain+"$";
		var myrxp = new RegExp(regex);
		var check = (myrxp.test(val));
		if (check!=true) {
			return false;
		}
		else {
			return true;
		}
	}
}

/*
validates formfields if they have a value or not
to check for other options do the following
specialfields = new Object();
specialfields.fieldname = new Object();
specialfields.fieldname.check1 = 'function_to_call,error_message';
specialfields.fieldname.check2 = 'second_function_to_call,second_error_message';
specialfields.another_fieldname = new Object();
specialfields.another_fieldname.check1 = 'function_to_call,error_message';
*/
function validateForm(form,specialfields) {
	var errors = new Array();
	var fields = form.getElementsByTagName('label');
	for (i = 0; i < fields.length; i++) {
		var span = fields[i].getElementsByTagName('span')[0];
		if (span) {
			var label = span.firstChild.data;
			label = label.replace(/^\s*/, '');
			label = label.replace(/\s*$/, '');
			// if there is a '*' in the label - this indicates the inputfield to have to be filled
			if (label.charAt(label.length - 1) == '*'){
				// get the inputfield
				var obj_input = fields[i].getElementsByTagName('input');
				if (!obj_input[0]){
					obj_input = fields[i].getElementsByTagName('select');
				}
				if (!obj_input[0]){
					obj_input = fields[i].getElementsByTagName('textarea');
				}
				// if there is an inputfield
				if (obj_input && obj_input[0]){
					input = obj_input[0];
					error = false;
					
					// check if the inputfield has a value
					if (!input.value || trim(input.value).length==0) {
						error = true;
						errors.push(label.substring(0, label.length -1) + ' nicht eingegeben');
					}
					
					// check the inputfield for special things (email, ...)
					if (!error && specialfields[input.name]){
						specialfield = specialfields[input.name];
						for (check in specialfield){
							check_function = specialfield[check].split(',')[0];
							check_message = specialfield[check].split(',')[1];
							if (!eval(check_function)(input.value)){
								error = true;
								errors.push(label.substring(0, label.length -1) + check_message);
							}
						}
					}
		            
					// on error give the label the className 'error' otherwise delete the className 'error' (if exists)
					if (error){
						className = fields[i].className;
						if (className.length>0){
							className = className + ' ';
						}
						fields[i].className = className + 'error';
					}
					else {
		            	className = fields[i].className;
		                if (className.indexOf('error')>-1){
							className = className.replace(' error', '');
							className = className.replace('error', '');
							fields[i].className = className;
						}
		            }
				}
			}
		}
	}
    return errors;
}

function showFormErrors (errors) {
	error_message = '';
	for (i=0;i<errors.length;i++){
		error_message += errors[i] + '\n';
	}
	alert(error_message);
}


function search_focus(obj) {
    if (obj.value==search_string){
        obj.value='';
    }
}

function search_blur(obj) {
    if (obj.value==''){
        obj.value=search_string;
    }
}

function search_submit(obj) {
    if (obj.words.value!='' && obj.words.value != search_string){
        return true;
    }
    else {
        return false;
    }
}


var busywaiter = window.setInterval(function() {
	if (document.body) {
		window.clearInterval(busywaiter);
		var nameEQ = "fontsize=";
		var ca = document.cookie.split(';');
		for(var i=0;i < ca.length;i++) {
			var c = ca[i];
			while (c.charAt(0) == ' ') c = c.substring(1, c.length);
			if (c.indexOf(nameEQ) == 0) return document.body.style.fontSize = c.substring(nameEQ.length, c.length);
		}
	}
}, 10);

function changeFontSize(factor) {
	if (document.body.currentStyle)
		var fontsize = document.body.currentStyle['fontSize'];
	else if (window.getComputedStyle)
		var fontsize = document.defaultView.getComputedStyle(document.body, null).getPropertyValue('font-size');

	fontsize = /(\d+)(.+)/.exec(fontsize);
	document.body.style.fontSize = (parseInt(fontsize[1]) + factor) + fontsize[2];
    
    obj_content = document.getElementById('content');
    if (obj_content){
        obj_content.innerHTML = obj_content.innerHTML;
    }

	document.cookie = "fontsize=" + document.body.style.fontSize + "; path=/";
	return false;
}

function resetFontSize() {
	document.body.style.fontSize = '';
    obj_content = document.getElementById('content');
    if (obj_content){
        obj_content.innerHTML = obj_content.innerHTML;
    }
	document.cookie = "fontsize=;path=/";
	return false;
}

function startpage_mouseover(obj){
  obj.className='hover';
  xAddEventListener(document, 'mousemove', startpage_mousemove, false);
}

function startpage_mousemove(ev){
    var e = new xEvent(ev);
    contains_coupon = (xHasPoint(obj_startpage_coupon,e.pageX,e.pageY,1))
    if (!contains_coupon){
        obj_startpage_coupon.className='';
    }
    contains_reminder = (xHasPoint(obj_startpage_reminder,e.pageX,e.pageY,1))
    if (!contains_reminder){
        obj_startpage_reminder.className='';
    }
}