/**************************** Drag Code *************************************************/
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  dragNDrop=false;

var  videoToPlay="";
var  dragStartX=0;
var  dragStartY=0;
var  dragObj=null;
var  dragObj = new Object();
dragObj.zIndex = 0;

function dragStart(event, id,info) {
	//alert('started'+info);
// Set the Path of Video
setVideoToPlay(info);
dragNDrop=true;
  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) || isNaN(dragObj.elStartTop)){
	dragStartX=0;
	dragStartY=0;

	}
else{
	  dragStartX=dragObj.elStartLeft;
	  dragStartY=dragObj.elStartTop;
	}

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


  dragObj.elNode.style.zIndex = ++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();
  }
}
var gx,gy;
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";
gx=x;
gy=y;

  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);
  }

	playOnDragStop();
}
	//alert(_playerWinNames.length);
function playOnDragStop(){
	//alert('PlayOn Stop');
	var flag=true;
	//alert(_playerWinNames.length);
	for(var i=1;i<=10;i++){ //_playerWinNames.length
		obj=document.getElementById('player'+i);
	//	alert(obj);
	//	obj=document.getElementById('player');
		zindex=obj.style.zIndex;
	
		var x = obj.offsetLeft;
		var y = obj.offsetTop;
		var y1 = obj.offsetHeight;
		var x1 = obj.offsetWidth;
		x1+=x;y1+=y;

		   if(gx>x && gy>y && gx<=x1 && gy<=y1){
					dragNDrop=true;
				//alert('player'+i+"U want to play"+videoToPlay)
				
				flag=false;
				break;
			}
	}
	
	if(flag){ 
		dragNDrop=false;
		unsetVideoToPlay('');
	}

	dragObj.elNode.style.left=0;//dragStartX;
	dragObj.elNode.style.top=0;//dragStartY;


	
}
function setVideoToPlay(pathOfVideo){
	videoToPlay=pathOfVideo;
}

function unsetVideoToPlay(pathOfVideo){
	videoToPlay=pathOfVideo;
}

function getPathOfVideoToPlay(){
	return videoToPlay;
}


/* HTML CODE
<img   src="azcat.jpg" style="padding: 0px;position: relative;" onmousedown="dragStart(event,'','play01.mpg')">
<br>
<img   src="azcat.jpg" style="padding: 0px;position: relative;" onmousedown="dragStart(event,'','play02.mpg')">
http://localhost/espre.local/Project/application/MenuTemplate.htm#
dhtmlwindows.js
application.js

*/