var divsel = false;
var frmsel = false;

function showBox(hght, wdth, title, text, doc, event, x, y)
{
	var dragbox = document.getElementById("FulgenDragBox");

    if(x == null && y == null)
    {
	    if (browser.isIE) {
	        //obj = window.event.srcElement;
	        
		    y = window.event.clientY + document.documentElement.scrollTop + document.body.scrollTop - window.event.offsetY + window.event.srcElement.height;
		    x = window.event.clientX + document.documentElement.scrollLeft + document.body.scrollLeft - window.event.offsetX;

		    //x = (screen.width - wdth) / 2;
	      }
	      if (browser.isNS) {
		    y = new String(event.clientY + window.scrollY) + "px";
		    x = new String(event.clientX + window.scrollX) + "px";
		    //x = (screen.width - wdth) / 2;
	      }
    }

	dragbox.style.display = "block";	
	dragbox.style.pixelLeft = x;
	dragbox.style.height = hght;
	dragbox.style.width = wdth;
	dragbox.style.pixelTop = y;
	if(title == "")
	    document.getElementById("FulgenBoxTitle").visibility = "hidden";
	else
	    document.getElementById("FulgenBoxTitle").innerHTML = title;
	
	if(doc != "")
	{
		//document.getElementById("FulgenBoxFrame").innerHTML = "<iframe id='FulgenFrameDoc' src='" + doc + "' width='" + wdth + "px' height='" + hght + "px' frameborder='0'></iframe>";
	    if(hght != null)
	        document.getElementById("FulgenFrameDoc").height = hght;
        if(wdth != null)	        
	        document.getElementById("FulgenFrameDoc").width = wdth;
	    document.getElementById("FulgenFrameDoc").src = doc;
	}		
	else if(text != "")
		document.getElementById("FulgenBoxFrame").innerHTML = text;
		
	document.getElementById("FulgenBoxTitle").focus();
}

function hideBox()
{
    if(!divsel && !frmsel)
	    document.getElementById('FulgenDragBox').style.display = 'none';
	//document.getElementById("FulgenBoxFrame").innerHTML = "";
}

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 = ++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);
  }
}