// JavaScript Document
var page_loaded = false;
function getPageSize(){
		
		var xScroll, yScroll;
		
		if (window.innerHeight && window.scrollMaxY) {	
			xScroll = document.body.scrollWidth;
			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
			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 = windowWidth;
		} else {
			pageWidth = xScroll;
		}
	
	
		arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
		return arrayPageSize;
	}
	function handleDivTag(divtag){
	   var divtag;
	   return divtag;
	}
	
   function createRequestObject() {
        var req;
        if(window.XMLHttpRequest){
            req = new XMLHttpRequest();
        } else if(window.ActiveXObject) {
            req = new ActiveXObject("Microsoft.XMLHTTP");
        } else {
            alert("There was a problem creating the XMLHttpRequest object");
        }
        return req;
    }
    
    // Make the XMLHttpRequest object
    var http = createRequestObject();
	var divhandler = new handleDivTag(null);
    var add_request_number = 0;
	var timeoutID = new Array();
	var timeoutID1 = new Array();
	var holder = "";
	var products_page = new Array();
	function set_holder() {
		if (document.getElementById("adding_layer")) holder = document.getElementById("adding_layer").innerHTML;
	}
    function sendRequest_share(more,divtag) {
		
		if (divtag == "share_page") {
			document.getElementById(divtag).innerHTML = "<form><table id='small_cart'><tr><td><img src='/filebin/images/loading_apple.gif' boredr='0'></td><td>Loading...</td></tr></table></form>";
			http.open("get", "/resources/share_with_friend/share_form.php?"+more);
		}
        http.onreadystatechange = handleResponse_share;
		divhandler.divtag = divtag;
        http.send(null);
    }

    function handleResponse_share() {
		//alert("in handle: "+http.status);
        if(http.readyState == 4 && http.status == 200){
            // Text returned FROM PHP script
            var response = http.responseText;
            if(response) {
                document.getElementById(divhandler.divtag).innerHTML = response;
				setTimeout("update_view()",50);
				if (divhandler.divtag == "share_page") {
					if (document.getElementById("your_name")) document.getElementById("your_name").focus();
				}
            }
        }
    }
	
//


	
function event_d() {
	var more = "action=form";
	sendRequest_share(more,'share_page');
}
function share_with_friend(e) {
	if (page_loaded && document.getElementById("share_page").style.display != "block") {
	  var tempX = 0;
	  var tempY = 0;
	  var offset = 5;
	
	  if (document.all) {
		tempX = event.clientX + document.documentElement.scrollLeft;//document.body.scrollLeft;
		tempY = event.clientY + document.documentElement.scrollTop;//document.body.scrollTop;
		//alert(event.clientY+" ScrollTop:"+document.documentElement.scrollTop);
	  } 
	  else {
		tempX = e.pageX;
		tempY = e.pageY;
	  }

	// step 4
	if (tempX < 0){tempX = 0}
	if (tempY < 0){tempY = 0}
  	tempY = tempY - 45;
	tempX = tempX - 200;
	//document.getElementById("event_iframe").style.left = tempX+"px";
	//document.getElementById("event_iframe").style.top = tempY+"px";
	//alert(tempX+" "+tempY);
	//document.getElementById("event_iframe").style.display = "block";
	
	document.getElementById("share_page").style.left = tempX+"px";
	document.getElementById("share_page").style.top = tempY+"px";
	//alert(tempX+" "+tempY);
	document.getElementById("share_page").style.display = "block";
	
	//lightbox action
	showOverlay();
	if (browser == 'Internet Explorer'){
		hideSelects('hidden');
	}
	//end light box action;
	event_d();
	}
  }
function moveObject(e) {
  var tempX = 0;
  var tempY = 0;
  var offset = 5;

  if (document.all) {
    tempX = event.clientX + document.documentElement.scrollLeft;//document.body.scrollLeft;
    tempY = event.clientY + document.documentElement.scrollTop;//document.body.scrollTop;
	//alert(event.clientY+" ScrollTop:"+document.documentElement.scrollTop);
  } else {
    tempX = e.pageX;
    tempY = e.pageY;
  }

  // step 4
  if (tempX < 0){tempX = 0}
  if (tempY < 0){tempY = 0}
  	tempY = tempY - 45;
	document.getElementById("event_iframe").style.left = tempX+"px";
	document.getElementById("event_iframe").style.top = tempY+"px";
	//alert(tempX+" "+tempY);
	document.getElementById("event_iframe").style.display = "block";
	
	document.getElementById("share_page").style.left = tempX+"px";
	document.getElementById("share_page").style.top = tempY+"px";
	//alert(tempX+" "+tempY);
	document.getElementById("share_page").style.display = "block";
	event_d();
  }
  
 function close_div() {
	if (document.getElementById("share_page")) {
		if (document.getElementById("event_iframe")) document.getElementById("event_iframe").style.display = "none";
		//lightbox close:
		if (document.getElementById('overlay').style.display != 'none') {
			hideOverlay();
			hideSelects('visible');
		}
		//
		document.getElementById("share_page").style.display = "none";
	}
 }
 function send_email() {
	obj = document.s_email;
	var more = "action=send_email";
	more += "&your_name="+encodeURI(obj.your_name.value);
	more += "&your_email="+encodeURI(obj.your_email.value);
	more += "&friend_name="+encodeURI(obj.friend_name.value);
	more += "&friend_email="+encodeURI(obj.friend_email.value);
	//more += "&comment="+encodeURI(obj.comment.value);
	more += "&page_url="+location.href;
	sendRequest_share(more,'share_page');
	return false;
 }
function addOnloadEvent(fnc){
  if ( typeof window.addEventListener != "undefined" ) {
	window.addEventListener( "load", fnc, false );
  }
  else if ( typeof window.attachEvent != "undefined" ) {
    window.attachEvent( "onload", fnc );
  }
  else {
    if ( window.onload != null ) {
      var oldOnload = window.onload;
      window.onload = function ( e ) {
        oldOnload( e );
        window[fnc]();
      };
    }
    else
      window.onload = fnc;
  }
}

function showOverlay() {
	// prep objects
	
	var objOverlay = document.getElementById('overlay');
	var arrayPageSize = getPageSize();
	var arrayPageScroll = getPageScroll();

	// set height of Overlay to take up whole page and show
	objOverlay.style.height = (arrayPageSize[1] + 'px');
	objOverlay.style.display = 'block';
}
function hideOverlay() {
	// get objects
	//alert("hiding ... ");
	if (document.getElementById('overlay') && document.getElementById('overlay').style.display != 'none') {
		var objOverlay = document.getElementById('overlay');
		// hide lightbox and overlay
		objOverlay.style.display = 'none';
	}
	
}
function page_onload() {
	page_loaded = true;	
}

//Browser detect script origionally created by Peter Paul Koch at http://www.quirksmode.org/
var detect = navigator.userAgent.toLowerCase();
var OS,browser,version,total,thestring;
addOnloadEvent(getBrowserInfo);
function getBrowserInfo() {
	if (checkIt('konqueror')) {
		browser = "Konqueror";
		OS = "Linux";
	}
	else if (checkIt('safari')) browser 	= "Safari"
	else if (checkIt('omniweb')) browser 	= "OmniWeb"
	else if (checkIt('opera')) browser 		= "Opera"
	else if (checkIt('webtv')) browser 		= "WebTV";
	else if (checkIt('icab')) browser 		= "iCab"
	else if (checkIt('msie')) browser 		= "Internet Explorer"
	else if (!checkIt('compatible')) {
		browser = "Netscape Navigator"
		version = detect.charAt(8);
	}
	else browser = "An unknown browser";

	if (!version) version = detect.charAt(place + thestring.length);

	if (!OS) {
		if (checkIt('linux')) OS 		= "Linux";
		else if (checkIt('x11')) OS 	= "Unix";
		else if (checkIt('mac')) OS 	= "Mac"
		else if (checkIt('win')) OS 	= "Windows"
		else OS 								= "an unknown operating system";
	}
}

function checkIt(string) {
	place = detect.indexOf(string) + 1;
	thestring = string;
	return place;
}
function hideSelects(visibility){
	selects = document.getElementsByTagName('select');
	for(i = 0; i < selects.length; i++) {
		selects[i].style.visibility = visibility;
	}
}
//lightbox prevention onuser click everywhere on a page

function getPageScroll(){

	var yScroll;

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

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}
addOnloadEvent(initOverlay);
addOnloadEvent(page_onload);
function initOverlay() {
	var objBody = document.getElementsByTagName("body").item(0);
	var objOverlay = document.createElement("div");
	objOverlay.setAttribute('id','overlay');
	objOverlay.onclick = function () {
										close_div();
										return false;
										}
	objOverlay.style.display = 'none';
	objOverlay.style.position = 'absolute';
	objOverlay.style.top = '0';
	objOverlay.style.left = '0';
	objOverlay.style.zIndex = '5000';
 	objOverlay.style.width = '100%';
	objBody.insertBefore(objOverlay, objBody.firstChild);
}