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 = 999;

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 = ++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 showFrontLayer(fleft,ftop,win_width) { 
if(!win_width)
	win_width = 400;
if(!fleft)
	fleft=500;
if(!ftop)
	ftop=100;
	
var obj = document.getElementById('boxToDrag');
if(!obj)
	return false;
	obj.style.left = iscreen-fleft;
	obj.style.top = jscreen-ftop;
	obj.style.width=win_width;
	
obj.style.visibility='visible';
btn_close_newwin.style.visibility='visible';
//document.location.href = document.location.href+"#new_window";
 }
function showFrontLayer2(el,win_width,fleft,ftop) {
 var _x = 0;
    var _y = 0;
    while( el && !isNaN( el.offsetLeft ) && !isNaN( el.offsetTop ) ) {
        _x += el.offsetLeft - el.scrollLeft;
        _y += el.offsetTop - el.scrollTop;
        el = el.parentNode;
    }
	//_x = parseInt(_x/2);
	//_y = parseInt(_y/2);
	_y = _y-400;
    //alert(_x+','+_y);
    

if(!win_width)
	win_width = 400;
if(!fleft)
	fleft=_x;
if(!ftop)
	ftop=(_y);
	
var obj = document.getElementById('boxToDrag');
if(!obj)
	return false;
	obj.style.left = fleft;
	obj.style.top = ftop;
	obj.style.width=win_width;

	
obj.style.visibility='visible';
btn_close_newwin.style.visibility='visible';
//document.location.href = document.location.href+"#new_window";
 }
function hideFrontLayer() { 
document.getElementById('boxToDrag').style.visibility='hidden';
btn_close_newwin.style.visibility='hidden'; 
var obj = document.getElementById('mediaplayer');
//alert(obj.bufferingtime);
if(obj){
	document.getElementById('boxToDrag_content').innerHTML= '';
	obj.stop();
	}

var obj = document.getElementById('obj_sot_player');
//alert(obj.id);
if(obj){
	document.getElementById('boxToDrag_content').innerHTML= '';
	obj.innerHTML= '';
	}
}