//Diverse Elemente bei kleiner Fenstergröße verändern
function check_resolution() {
	//array aus IDs die ausgeblendet werden sollen
	var array = new Array('contactinfo','functions','steuerberater','author');
	var obj;

	if (document.body.offsetWidth < 995) {
		for(i = 0; i < array.length; i++) {
			obj = document.getElementById(array[i])
			if(obj)
				obj.style.display = 'none'
		}
		if (document.getElementById('content')) document.getElementById('content').style.padding='0px 15px 0px 1px';
		if (document.getElementById('content')) document.getElementById('content').style.bottom='10px';
		if (document.getElementById('content')) document.getElementById('content').style.top='120px';
		if (document.getElementById('calcdiv')) document.getElementById('calcdiv').style.bottom='10px';
		if (document.getElementById('calcdiv')) document.getElementById('calcdiv').style.top='120px';
		if (document.getElementById('nav_box')) document.getElementById('nav_box').style.padding='3px 0px 0px 16px';
		if (document.getElementById('nav_box')) document.getElementById('nav_box').style.bottom='10px';
	} else {
		for(i = 0; i < array.length; i++) {
			obj = document.getElementById(array[i])
			if(obj)
				obj.style.display = ''
		}
		if (document.getElementById('content')) document.getElementById('content').style.padding='0px 230px 0px 1px';
		if (document.getElementById('content')) document.getElementById('content').style.bottom='93px';
		if (document.getElementById('content')) document.getElementById('content').style.top='145px';
		if (document.getElementById('calcdiv')) document.getElementById('calcdiv').style.bottom='93px';
		if (document.getElementById('calcdiv')) document.getElementById('calcdiv').style.top='145px';
		if (document.getElementById('nav_box')) document.getElementById('nav_box').style.padding='26px 0px 0px 16px';
		if (document.getElementById('nav_box')) document.getElementById('nav_box').style.bottom='93px';
	}
}
window.onresize = window.onload = check_resolution;

// BO Focus auf Input Felder wenn aktiv
var FocusOnload = window.onload;
window.onload = function() {
	if (document.getElementById('content')) { var form = document.getElementById('content').getElementsByTagName('form')[0]; }
	if(form)
	{
		var elements = new Array('button', 'textarea', 'input', 'select');	
		for(a=0;a<elements.length;a++)
		{
			var inputs = form.getElementsByTagName(elements[a]);
			if(inputs.length > 0)
			{
				for(i=0;i<inputs.length;i++)
				{
					if(inputs[i].type != 'hidden')
					{
						inputs[i].onfocus = function(e) { this.className='focus'; }
						inputs[i].onblur = function(e) { this.className='nofocus'; }
					}
				}

				i = 0;
				while(inputs[i].type == 'hidden')
				{
					i++;
				}

				//inputs[i].focus();
			}
		}
	}

	if(FocusOnload)
		FocusOnload();
}
// EO Focus auf Input Felder wenn aktiv

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); };
}

function popup(url, typ, para1, width, height) {
	attrib = "";
	Y = (screen.height - width) / 2;
	X = (screen.width - height) / 2;
	X = Math.round(X);
	Y = Math.round(Y);
	if (para1 == 'CENTER') attrib += 'height=' + height + ',width=' + width + ',top=' + Y + ',left=' + X;
	if (typ == 'TYP1') attrib += ",scrollbars=no";
	if (typ == 'TYP2') attrib += ",scrollbars=yes";
	if (typ == 'TYP3') attrib += ",scrollbars=yes,menubar=yes";
	x = Math.random();
	fenster = window.open(url, 'win', attrib);
	return false;
}

// deletes leading and trailing spaces in a string - adds the function directly to the String Object, so that all strings inherit this method
String.prototype.trim = function() {
    return this.replace(/(^\s*)|(\s*$)/g, '');
}

//checkEmail - needed for forms
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('span');
	for (i = 0; i < fields.length; i++) {
		var span = fields[i].getElementsByTagName('label')[0];
		if (span) {
			var label = span.firstChild.data;
			label = label.trim();
			// if there is a '*' in the label - this indicates the inputfield has to be filled
			if (label.charAt(label.length - 1) == '*') {
				label = label.substring(0, label.length - 1).trim();
				// 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 || input.value.trim().length==0) {
						error = true;
						errors.push(label + ' 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 + ' ' + 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);
}

// BO Popup (div einblenden)
function hideSelectBoxes(){
	selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) { selects[i].style.visibility = "hidden";}

	if(!window.ie)
		document.getElementById('content').style.overflow='hidden!important';
}

function showSelectBoxes(){
	selects = document.getElementsByTagName("select");
	for (i = 0; i != selects.length; i++) { selects[i].style.visibility = "visible";}

	if(!window.ie)
		document.getElementById('content').style.overflow='auto';
}

var popupOldOnResize = window.onresize;
var popupOldOnLoad = window.onload;
function showPopup(id, width, height)
{
	hideSelectBoxes();
	if(document.getElementById('popup_background')) {
		objTemp = document.getElementById('popup_background');
	}
	else
	{
		objTemp = document.createElement("div");
		objTemp.id = 'popup_background';
		objTemp.style.visibility='hidden';
		objTemp.onclick=function() { popupClose(); }
	}

	if(objTemp.style.display != 'block')
	{
		objTemp.style.display='block';

		popupBackground = document.body.appendChild(objTemp);
		$(popupBackground).effects({duration:400,onComplete:function(){      $(popupBackground).effects({}).set({'opacity':[0.5]}); showPopupContent(id, width, height);     }}).start({'opacity':[0,0.5]});
	}
	else
	{
		$(popupBackground).effects({duration:0,onComplete:function(){      $(popupBackground).effects({}).set({'opacity':[0.5]}); showPopupContent(id, width, height);     }}).start({'opacity':[0.5,0.5]});
	}
}

function showPopupContent(id, width, height)
{
	if(document.getElementById('popup_content')) {
		objTemp = document.getElementById('popup_content');
	}
	else
	{
		objTemp = document.createElement("div");
		objTemp.id = 'popup_content';
	}

	objTemp.innerHTML= '<div id="popup_close"><a href="javascript:popupClose()"><span>X</span></a></div><div id="popup_text">' + document.getElementById(id).innerHTML + '</div>';

	if(width > 0 && height > 0) {
		objTemp.style.width=width+'px';
		objTemp.style.height=height+'px';
		objTemp.style.marginLeft='-' + Math.floor(width/2) +'px';
		objTemp.style.marginTop='-' + Math.floor(height/2) +'px';
	}

	objTemp.style.display='block';

	popupContent =  document.body.appendChild(objTemp);
}

function popupClose()
{
	popupContent = document.getElementById('popup_content');
	popupContent.style.display='none';

	popupBackground = document.getElementById('popup_background');

	$(popupBackground).effects({duration:400,onComplete:function(){      	popupBackground.style.display='none'; showSelectBoxes();    }}).start({'opacity':[0.5,0]});
}
// EO Popup (div einblenden)