//Globale Variablen

var title   = 'MessageBox v0.9';

var overlayOpacity = 0.8;	// Transparenz des Schattens
var animate 	   = true;			
var resizeSpeed	   = 7;		// Animaitonsgeschwindikeit (1=langsam and 10=schnell)
var borderSize	   = 10;

var from    = 'email';	
var subject = 'beteff';
var message = 'deine nachricht';

var email_pass=false;
var message_pass=false;


// -----------------------------------------------


if(animate == true){
	overlayDuration = 0.2;	// shadow fade in/out duration
	if(resizeSpeed > 10){ resizeSpeed = 10;}
	if(resizeSpeed < 1){ resizeSpeed = 1;}
	resizeDuration = (11 - resizeSpeed) * 0.15;
} else { 
	overlayDuration = 0;
	resizeDuration = 0;
}


// -----------------------------------------------


Object.extend(Element, {
	getWidth: function(element) {
	   	element = $(element);
	   	return element.offsetWidth; 
	},
	setWidth: function(element,w) {
	   	element = $(element);
    	element.style.width = w +"px";
	},
	setHeight: function(element,h) {
   		element = $(element);
    	element.style.height = h +"px";
	},
	setTop: function(element,t) {
	   	element = $(element);
    	element.style.top = t +"px";
	},
	setLeft: function(element,l) {
	   	element = $(element);
    	element.style.left = l +"px";
	},
	setSrc: function(element,src) {
    	element = $(element);
    	element.src = src; 
	},
	setHref: function(element,href) {
    	element = $(element);
    	element.href = href; 
	},
	setInnerHTML: function(element,content) {
		element = $(element);
		element.innerHTML = content;
	}
});

//***Beginn der MessageBox Klasse

var MessageBox = Class.create();

MessageBox.prototype = {
	initialize: function(){

		this.updateLinks();

		var objBody = document.getElementsByTagName("body").item(0);
		
		var objOverlay = document.createElement("div");
		objOverlay.setAttribute('id','overlay');
		objOverlay.style.display = 'none';
		objOverlay.onclick = function() { myMessageBox.end(); }
		objBody.appendChild(objOverlay);
	
		var objMessageBox = document.createElement("div");
		objMessageBox.setAttribute('id','messagebox');
		objMessageBox.style.display = 'none';
		objMessageBox.onclick = function(e){	// close the MessageBox if user clicks on shadow overlay
			if (!e) var e = window.event;
			var clickObj = Event.element(e).id;
			if ( clickObj == 'messagebox') {myMessageBox.end();}
		};
		objBody.appendChild(objMessageBox);
			
		var objOuterMessageContainer = document.createElement("div");
		objOuterMessageContainer.setAttribute('id','outerMessageContainer');
		objMessageBox.appendChild(objOuterMessageContainer);

		// When Message starts it will resize itself from 250 by 250 to the current image dimension.
		// If animations are turned off, it will be hidden as to prevent a flicker of a
		// white 250 by 250 box.
		
		/*if(animate){
			Element.setWidth('objOuterMessageContainer', 250);
			Element.setHeight('objOuterMessageContainer', 250);			
		} else {
			Element.setWidth('objOuterMessageContainer', 1);
			Element.setHeight('objOuterMessageContainer', 1);			
		}*/
		
		
		var objInnerMessageContainer = document.createElement("div");
		objInnerMessageContainer.setAttribute('id','innerMessageContainer');
		objOuterMessageContainer.appendChild(objInnerMessageContainer);
		
		var objHead = document.createElement("h1");
		objHead.setAttribute('id','mbHead');
		objHead.innerHTML = title;
		objInnerMessageContainer.appendChild(objHead);
	
		var objMessageForm = document.createElement("form");
		objMessageForm.setAttribute('id', 'MessageForm');
		objMessageForm.setAttribute('name', 'MessageForm');
		objInnerMessageContainer.appendChild(objMessageForm);
		
		var objPVon = document.createElement("p");
		objPVon.innerHTML = 'Von ';
		objMessageForm.appendChild(objPVon);
		
		var objFrom = document.createElement("input");
		objFrom.setAttribute('id', 'mb_from');
		objFrom.setAttribute('name', 'from');
		objFrom.setAttribute('type', 'text');
		objFrom.setAttribute('value', from);
		objFrom.onclick = function () {
			var clickObj = Event.element(window.event);
			if(clickObj.value == from) clickObj.value = '';
		};
		objFrom.onblur = function () {
			var clickObj = Event.element(window.event);
			if(clickObj.value == '') clickObj.value = from;
		};
		objFrom.onkeyup = function (){
			if(!e) var e = window.event
			//alert(e.keyCode);
			
			var clickObj = Event.element(e);
			reg = new RegExp('^([a-zA-Z0-9\\-\\.\\_]+)(\\@)([a-zA-Z0-9\\-\\.]+)(\\.)([a-zA-Z]{2,4})$');
			
  			email_pass = reg.test(clickObj.value);
  			if(email_pass) document.forms.MessageForm.from.style.color = '#00ff00';
  			else document.forms.MessageForm.from.style.color = '#ff0000';
  			
		};
		objPVon.appendChild(objFrom);
		
		var objPAn = document.createElement("p");
		objPAn.innerHTML = 'An ';
		objMessageForm.appendChild(objPAn);
		
		var objAn = document.createElement("select");
		objAn.setAttribute('id', 'mb_to');
		objAn.setAttribute('name', 'to');
		objPAn.appendChild(objAn);
		
		//empfänger einfügen
		this.getReceivers(objAn);
		
		var objPSub = document.createElement("p");
		objMessageForm.appendChild(objPSub);

		var objSubject = document.createElement('input');
		objSubject.setAttribute('id', 'mb_subject');
		objSubject.setAttribute('name', 'subject');
		objSubject.setAttribute('type', 'text');
		objSubject.setAttribute('value', subject);
		objSubject.onclick = function () {
			var clickObj = Event.element(window.event);
			if(clickObj.value == subject) clickObj.value = '';
		};
		objSubject.onblur = function () {
			var clickObj = Event.element(window.event);
			if(clickObj.value == '') clickObj.value = subject;
		};
		objPSub.appendChild(objSubject);
		
		var objPMsg = document.createElement("p");
		objMessageForm.appendChild(objPMsg);
		
		var objMsg = document.createElement("textarea");
		objMsg.setAttribute('id', 'mb_message');
		objMsg.setAttribute('name', 'message');
		objMsg.innerHTML = message;
		objMsg.onclick = function () {
			var clickObj = Event.element(window.event);
			clickObj.style.color = '#777';
			if(clickObj.value == message){
				clickObj.innerHTML = '';
				clickObj.value = '';
				message_pass = false;
				
			}
		};
		objMsg.onblur = function () {
			var clickObj = Event.element(window.event);
			
			if(clickObj.value == '') {
				message_pass = false;
				clickObj.innerHTML = message;
			}
		};
		objMsg.onkeyup = function () {
			var clickObj = Event.element(window.event);
			if(clickObj.value.length) message_pass=true;
			else message_pass = false;
			if(clickObj.value == message) message_pass=false;
		}
		
		objPMsg.appendChild(objMsg);
		
		var objPSend = document.createElement("p");
		objMessageForm.appendChild(objPSend);
		
		var objSend = document.createElement("a");
		objSend.setAttribute('id','mb_SendLink');
		objSend.setAttribute('href','#');
		objSend.onclick = function(){
			if(email_pass && message_pass) myMessageBox.sendMessage();
			else{
				if(!email_pass) document.forms.MessageForm.from.style.color = '#ff0000';
				if(!message_pass) document.forms.MessageForm.message.style.color = '#ff0000';
			}
		}
		objSend.innerHTML = 'Senden>>';
		objPSend.appendChild(objSend);
		
		var objPCr = document.createElement("p");
		objPCr.innerHTML = '&copy; by ';
		objMessageForm.appendChild(objPCr);
		
		
		var objCLink = document.createElement("a");
		objCLink.setAttribute('id','mb_CrLink');
		objCLink.setAttribute('href','mailto:martin.kauferstein@gmx.net');
		objCLink.innerHTML = 'eMDeKey';
		objPCr.appendChild(objCLink);
	},
	
	
	getReceivers: function (into) {
		new Ajax.Request('./mailto.php',
		{
			method:'post',
			parameters: 'action=receiver',
			onSuccess: function(transport){
				var res = transport.responseText.evalJSON();

				var tmp ='';
				for(var i = 0; i < res.length; i++){
					tmp += '<option value="' + res[i].mail +'" >' + res[i].name + '</option>';
					}
				into.innerHTML = tmp;
			}
		});
	},

	sendMessage: function(){
		new Ajax.Request('./mailto.php',
		{
		    method: 'post',
		    parameters: $('MessageForm').serialize() + '&action=send',
		   	onSuccess: function(transport){
		   		//alert(transport.responseText);
		   		switch(transport.responseText){
		   			case 'done':
			   			$('MessageForm').reset();
						myMessageBox.end();
						break;
		   			default:
		   				alert("Leider ist grad ein Problem aufgetreten!\nBitte später nochmal versuchen");
		   				myMessageBox.end();
		   			
		   		}
		    },
		    
		    onFailure: function(){
		    //	alert('Something went wrong...');
		    }
		  });
	},

	updateLinks: function() {	
		if (!document.getElementsByTagName){ return; }
		var anchors = document.getElementsByTagName('a');
	
		// loop through all anchor tags
		for (var i=0; i<anchors.length; i++){
			var anchor = anchors[i];
			//alert(anchor.title);
			
			var relAttribute = String(anchor.getAttribute('rel'));
			// use the string.match() method to catch 'lightbox' references in the rel attribute
			if (relAttribute.toLowerCase().match('messagebox')){
				anchor.onclick = function () {myMessageBox.start(this); return false;}
			}
		}
	},

	
	start: function(obj){
		//auswahlfelder und flashs in den hintergrund bringen	
		//hideSelectBoxes();
		hideFlash();
	
		// stretch overlay to fill page and fade in
		var arrayPageSize = getPageSize();
		Element.setWidth('overlay', arrayPageSize[0]);
		Element.setHeight('overlay', arrayPageSize[1]);
		
		new Effect.Appear('overlay', { duration: overlayDuration, from: 0.0, to: overlayOpacity });
		
		var arrayPageScroll = getPageScroll();
		var messageboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 10);
		var messageboxLeft = arrayPageScroll[0];
		
		Element.setTop('messagebox', messageboxTop);
		Element.setLeft('messagebox', messageboxLeft);
		
		Element.show('messagebox');
		
		if(obj.title){
			ops = $('MessageForm').to.options;
			for(var i = 0; i < ops.length; i++){
				if(ops[i].value == obj.title) $('MessageForm').to.selectedIndex = i;
			}
		}
	},
	
	end: function(){
		Element.hide('messagebox');
		new Effect.Fade('overlay', { duration: overlayDuration});
		showSelectBoxes();
		showFlash();
	}
}


// ---------------------------------------------------


function getPageScroll(){

	var xScroll, yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
		xScroll = self.pageXOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
		xScroll = document.documentElement.scrollLeft;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
		xScroll = document.body.scrollLeft;	
	}

	arrayPageScroll = new Array(xScroll,yScroll) 
	return arrayPageScroll;
}


// ---------------------------------------------------


function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = window.innerWidth + window.scrollMaxX;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;

	if (self.innerHeight) {	// all except Explorer
		if(document.documentElement.clientWidth){
			windowWidth = document.documentElement.clientWidth; 
		} else {
			windowWidth = self.innerWidth;
		}
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = xScroll;		
	} else {
		pageWidth = windowWidth;
	}

	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}


// ---------------------------------------------------

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

// ---------------------------------------------------

function showFlash(){
	var flashObjects = document.getElementsByTagName("object");
	for (i = 0; i < flashObjects.length; i++) {
		flashObjects[i].style.visibility = "visible";
	}

	var flashEmbeds = document.getElementsByTagName("embed");
	for (i = 0; i < flashEmbeds.length; i++) {
		flashEmbeds[i].style.visibility = "visible";
	}
}

// ---------------------------------------------------

function hideFlash(){
	var flashObjects = document.getElementsByTagName("object");
	for (i = 0; i < flashObjects.length; i++) {
		flashObjects[i].style.visibility = "hidden";
	}

	var flashEmbeds = document.getElementsByTagName("embed");
	for (i = 0; i < flashEmbeds.length; i++) {
		flashEmbeds[i].style.visibility = "hidden";
	}

}

// ---------------------------------------------------


function initMessageBox() { myMessageBox = new MessageBox(); }
Event.observe(window, 'load', initMessageBox, false);