/**
* E3 Product Popup Module Javascript
* Written by Matt Ford
*/

function _drawProductPopup(){
	RollOverD = document.getElementById ("RollOverData");
	RollOverD.innerHTML = "";
	if(http.readyState == 4){
		
		var response = http.responseText;
		RollOverD.innerHTML = response;
	}
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function makeDIV (rTitle, productid, popupWidth) {
	var Element = document.getElementById ("thumbnail_"+productid);
	var mX = (findPosX (Element)+(Element.width / 2));
	var mY = (findPosY (Element)+(Element.height / 2));
	
	var getUrl = ajaxUrl + '?ajaxAction=getProductHTML&productid=' + productid;
	http.open('get',getUrl);
	http.onreadystatechange=_drawProductPopup;
	http.send(null);

	
	if (document.getElementById) {
		RollOverDIV = document.getElementById ("RollOver");
		//RollOverT = document.getElementById ("RollOverTitle");
		//RollOverD = document.getElementById ("RollOverData");
		RollOverDIV.style.visibility = "visible";
		
		var screenW = 800;
		//var screenH = getScrollXY();
		//alert (screenH);
		//var screenH = 600;
		if (parseInt(navigator.appVersion)>3) {
			screenW = screen.width;
			//screenH = document.documentElement.clientHeight;
		}
		else if (navigator.appName == "Netscape" && parseInt(navigator.appVersion)==3 && navigator.javaEnabled()) {
			var jToolkit = java.awt.Toolkit.getDefaultToolkit();
			var jScreenSize = jToolkit.getScreenSize();
			screenW = jScreenSize.width;
			//screenH = document.documentElement.clientHeight;
		}
		var Dimensions = getSize();
		//screenW = Dimensions [0];
		screenH = parseInt (Dimensions [1] + getScrollXY());

		var pWidth = (popupWidth / 2);
		var mX = mX-(pWidth);
		var mY = mY-(170);
		if (parseInt (mX)+pWidth > screenW){
			mX = screenW - pWidth;
		} 
		else if (parseInt (mX) <= 0){
			mX = 0;
		} else {}

		if (parseInt (mY+150) > screenH){
			mY = screenH - 150;
		} 
		else if (parseInt (mY) < 0){
			mY = 0;
		} else {}
		
		RollOverDIV.style.left = mX+"px";
		RollOverDIV.style.top = mY+"px";
		
		for (var form_loop=0; form_loop<document.forms.length; form_loop++) {
			for (var elems=0; elems<document.forms[form_loop].length;elems++){
				if (document.forms[form_loop].elements[elems].id == "selectboxF"){
					document.forms[form_loop].elements[elems].style.visibility = "hidden";
				}
			}
		}
	} else {}
}

function removeDIV (){
	RollOverDIV = document.getElementById ("RollOver");
	RollOverDIV.style.visibility = "hidden";
		for (var form_loop=0; form_loop<document.forms.length; form_loop++) {
			for (var elems=0; elems<document.forms[form_loop].length;elems++){
				if (document.forms[form_loop].elements[elems].id == "selectboxF"){
					document.forms[form_loop].elements[elems].style.visibility = "visible";
				}
			}
		}
}

//create ajax object
function createRequestObject() {
    var reqObj;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        reqObj = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        reqObj = new XMLHttpRequest();
    }
    return reqObj;
}

var http = createRequestObject();
if(navigator.appName == "Microsoft Internet Explorer"){
	theBrowser = "ie";
}else{
	theBrowser = "good browser";
}

//variables
var ajaxUrl = "ajax.php";

function Init (Element, productID){
	//var QI = document.getElementById ("Quickie");
	//var AlreadyD = document.getElementById ("MOver");
	
	
	//if (AlreadyD.value == "false") {
		var QDIV = document.getElementById ("QuickieDIV_"+productID);
		QDIV.style.visibility = "visible";
		
		// Find X, Y coordinates of element and Height, Width
		if (document.layers){
			var data = getImage (Element);
			var height = (data.height);
			var width = (data.width);
		}
		else {
			var height = (Element.height);
			var width = (Element.width);
		}
		var QW = (QDIV.width)/2;
		var QH = (QDIV.height)/2;
		var X = findPosX (Element);
		var Y = findPosY (Element);
		// End Routine
		
		QDIV.style.left = X+"px";//((X+(width/2))-QW) + "px";
		QDIV.style.top = Y+"px";//((Y+(height/2))-QH) + "px";
		//opacity ("QuickieDIV_"+productID, 0, 100, 600);
		QDIV.style.width = width + "px";
		QDIV.style.height = height + "px";
		//QDIV.style.zIndex = 2;
		//AlreadyD.value = "true";
		//QDIV.style.visibility="visible";
		changeOpac (100, "QuickieDIV_"+productID);
		//opacity ("QuickieDIV_"+productID, 0, 100, 600);
	//} else {}
	//CheckHide = setInterval ("Hide("+productID+")", 500);
}


function THide (productID){
	CheckHide = setInterval ("reallyHide("+productID+")", 500);
/*	if (document.getElementById ('MOver').value != "true"){
		var QDIV = document.getElementById ("QuickieDIV_"+productID);
		var AlreadyD = document.getElementById ("MOver");
		opacity ("QuickieDIV_"+productID, 100, 0, 600);
		//QDIV.style.visibility = "hidden";
		//AlreadyD.value = "false";
	} else {}*/
}

function Hide (productID){
	//QDIV = document.getElementById ("QuickieDIV_"+productID);
       // if (document.getElementById ('MOver').value == "false"){
		//clearInterval (CheckHide);
                //var QDIV = document.getElementById ("QuickieDIV_"+productID);
                //var AlreadyD = document.getElementById ("MOver");
                opacity ("QuickieDIV_"+productID, 100, 0, 600);
               // QDIV.style.visibility = "hidden";
                //AlreadyD.value = "false";
		//clearInterval (CheckHide);
      //  } else {}
	//CheckHide = setTimeout ("reallyHide("+productID+")", 500);

}


function findPosX(obj)
{
 var curleft = 0;
 if(obj.offsetParent)
	  while(1) 
	  {
		 curleft += obj.offsetLeft;
		 if(!obj.offsetParent)
			break;
		 obj = obj.offsetParent;
	  }
 else if(obj.x)
	  curleft += obj.x;
 return curleft;
}



function findPosY(obj)
{
 var curtop = 0;
 if(obj.offsetParent)
	  while(1)
	  {
		 curtop += obj.offsetTop;
		 if(!obj.offsetParent)
			break;
		 obj = obj.offsetParent;
	  }
 else if(obj.y)
	  curtop += obj.y;
 return curtop;
}
  
function getSize() {
  var myHeight = 600;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  return new Array (myWidth, myHeight );
}


function opacity (id, opacStart, opacEnd, millisec){
	var speed = Math.round (millisec / 100);
	var timer = 0;
	
	//determine the direction for the blending, if start and end are the same nothing happens
	if (opacStart > opacEnd){
		for (i = opacStart; i >= opacEnd; i--){
			setTimeout ("changeOpac (" + i + ",'" + id + "')", (timer * speed));
			timer++;
			/*if (i == opacEnd){
				 document.getElementById (id).style.visibility = "hidden";
			} else {}*/
		}
	}
	else if (opacStart < opacEnd){
		//document.getElementById (id).style.visibility = "visible";
		for (i = opacStart; i <= opacEnd; i++){
			setTimeout ("changeOpac (" + i + ",'" + id + "')", (timer * speed));
			timer++;
		}
	}
} 

function changeOpac (opacity, id) {
    var object = document.getElementById(id).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
}


function Browser() {

  var ua, s, i;

  this.isIE    = false;
  this.isNS    = false;
  this.version = null;

  ua = navigator.userAgent;

  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as NS 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }
}

var browser = new Browser();

// Global object to hold drag information.

var dragObj = new Object();
dragObj.zIndex = 0;

function dragStart(event, id) {

  var el;
  var x, y;

  // If an element id was given, find it. Otherwise use the element being
  // clicked on.

  if (id)
    dragObj.elNode = document.getElementById(id);
  else {
    if (browser.isIE)
      dragObj.elNode = window.event.srcElement;
    if (browser.isNS)
      dragObj.elNode = event.target;

    // If this is a text node, use its parent element.

    if (dragObj.elNode.nodeType == 3)
      dragObj.elNode = dragObj.elNode.parentNode;
  }

  // Get cursor position with respect to the page.

  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Save starting positions of cursor and element.

  dragObj.cursorStartX = x;
  dragObj.cursorStartY = y;
  dragObj.elStartLeft  = parseInt(dragObj.elNode.style.left, 10);
  dragObj.elStartTop   = parseInt(dragObj.elNode.style.top,  10);

  if (isNaN(dragObj.elStartLeft)) dragObj.elStartLeft = 0;
  if (isNaN(dragObj.elStartTop))  dragObj.elStartTop  = 0;

  // Update element's z-index.

  dragObj.elNode.style.zIndex = 10;//++dragObj.zIndex;

  // Capture mousemove and mouseup events on the page.

  if (browser.isIE) {
    document.attachEvent("onmousemove", dragGo);
    document.attachEvent("onmouseup",   dragStop);
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS) {
    document.addEventListener("mousemove", dragGo,   true);
    document.addEventListener("mouseup",   dragStop, true);
    event.preventDefault();
  }
}

function dragGo(event) {

  var x, y;

  // Get cursor position with respect to the page.

  if (browser.isIE) {
    x = window.event.clientX + document.documentElement.scrollLeft
      + document.body.scrollLeft;
    y = window.event.clientY + document.documentElement.scrollTop
      + document.body.scrollTop;
  }
  if (browser.isNS) {
    x = event.clientX + window.scrollX;
    y = event.clientY + window.scrollY;
  }

  // Move drag element by the same amount the cursor has moved.

  dragObj.elNode.style.left = (dragObj.elStartLeft + x - dragObj.cursorStartX) + "px";
  dragObj.elNode.style.top  = (dragObj.elStartTop  + y - dragObj.cursorStartY) + "px";

  if (browser.isIE) {
    window.event.cancelBubble = true;
    window.event.returnValue = false;
  }
  if (browser.isNS)
    event.preventDefault();
}

function dragStop(event) {

  // Stop capturing mousemove and mouseup events.

  if (browser.isIE) {
    document.detachEvent("onmousemove", dragGo);
    document.detachEvent("onmouseup",   dragStop);
  }
  if (browser.isNS) {
    document.removeEventListener("mousemove", dragGo,   true);
    document.removeEventListener("mouseup",   dragStop, true);
  }
}

function getScrollXY() {
  var scrOfX = 0, scrOfY = 0;
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;
    scrOfX = window.pageXOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
    scrOfX = document.body.scrollLeft;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
    scrOfX = document.documentElement.scrollLeft;
  }
  //return [ scrOfX, scrOfY ];
	return scrOfY;
}