function hideThis(obj){
		document.getElementById(obj).style.display='none';
	}
	
	// Determine browser and version.

	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);
  }
}

function setFormNameValue(whatForm){
	if(document.getElementById){
		document['dialog_box_form']['formname'].value = whatForm;
		document.getElementById('dialog_wrapper').style.display = 'block';
	}
}

function clearCheckBoxes(whatForm, whatField){
	var fieldName = whatField.split(",");
	for(var i=1; i<fieldName.length; i++){
		document[whatForm][fieldName[i]].checked = false;
	}
}

function confirmDeletions(whatForm, objID){
	if(document.getElementById){
		var dialogX = screen.availWidth;
		var dialogY = screen.availHeight;
		var obj = document.getElementById(objID);
		if (obj.currentStyle){
			var objWidth = obj.currentStyle['width'];
			var objHeight = obj.currentStyle['height'];
		} else if (window.getComputedStyle){
			var objWidth = document.defaultView.getComputedStyle(obj,null).getPropertyValue('width');
			var objHeight = document.defaultView.getComputedStyle(obj,null).getPropertyValue('height');
		}
		var dW = parseInt(objWidth.substring(0, objWidth.indexOf("px")));
		var dH = parseInt(objHeight.substring(0, objHeight.indexOf("px")));
		dialogX = dialogX - dW;
		dialogX = (dialogX/2);
		dialogY = dialogY - dH;
		dialogY = (dialogY/3);
		document.getElementById(objID).style.display = 'block';
		document.getElementById(objID).style.left = dialogX;
		document.getElementById(objID).style.top = dialogY;
	}
}

function submitForm(whatForm, whatField){
	document[whatForm][whatField].value = 1;
	document[whatForm].submit();
}

function setDialogBox(event, objID){
	x = event.clientX;
	y = event.clientY;
	var newY = parseInt(y)+30;
	if(document.getElementById){
		document.getElementById(objID).style.left = x + "px";
		document.getElementById(objID).style.top = newY + "px";
	}
}