function getElementsByAttribute(attr,val,container) 
{
	container = container || document 
	var all = container.all || container.getElementsByTagName('*') 
	var arr = new Array();
	for(var i=0;i<all.length;i++) 
	{
		if(all[i].getAttribute(attr) == val)
			arr[arr.length] = all[i];
	}
	return arr 
} 

function getAbsolutePosition(element) {
    var r = { x: element.offsetLeft, y: element.offsetTop };
    if (element.offsetParent) {
      var tmp = getAbsolutePosition(element.offsetParent);
      r.x += tmp.x;
      r.y += tmp.y;
    }
    return r;
  };
  
/**
  * Retrieve the coordinates of the given event relative to the center
  * of the widget.
  *
  * @param event
  *  A mouse-related DOM event.
  * @param reference
  *  A DOM element whose position we want to transform the mouse coordinates to.
  * @return
  *    A hash containing keys 'x' and 'y'.
  */
function getRelativeCoordinates(event, reference) 
{
    var x, y;
    event = event || window.event;
    var el = event.target || event.srcElement;
    if (!window.opera && typeof event.offsetX != 'undefined') {
      // Use offset coordinates and find common offsetParent
      var pos = { x: event.offsetX, y: event.offsetY };
      // Send the coordinates upwards through the offsetParent chain.
      var e = el;
      while (e) {
        e.mouseX = pos.x;
        e.mouseY = pos.y;
        pos.x += e.offsetLeft;
        pos.y += e.offsetTop;
        e = e.offsetParent;
      }
      // Look for the coordinates starting from the reference element.
      var e = reference;
      var offset = { x: 0, y: 0 }
      while (e) {
        if (typeof e.mouseX != 'undefined') {
          x = e.mouseX - offset.x;
          y = e.mouseY - offset.y;
          break;
        }
        offset.x += e.offsetLeft;
        offset.y += e.offsetTop;
        e = e.offsetParent;
      }
      // Reset stored coordinates
      e = el;
      while (e) {
        e.mouseX = undefined;
        e.mouseY = undefined;
        e = e.offsetParent;
      }
    }
    else {
      // Use absolute coordinates
      var pos = getAbsolutePosition(reference);
      x = event.pageX  - pos.x;
      y = event.pageY - pos.y;
    }
    // Subtract distance to middle
    return { x: x, y: y };
  }

function isMouseOnElement(event,obj)
{
	var point = getRelativeCoordinates(event,obj);
		
	if (   point.x >= 0
		&& point.x <= obj.clientWidth
		&& point.y >= 0
		&& point.y <= obj.clientHeight )
		return true;
	return false;
}

function openEditor(type,obj)
{
	if ( type == 'container')
	{
		while( obj.tagName != 'TABLE' )
			obj = obj.parentNode;
	}
	else if ( type == 'paragraph' || type == 'aboutus' )
	{
		obj = obj.parentNode;
	}
	
	var pageId = obj.getAttribute('pageId');
	var position = obj.getAttribute('position');
	var containerId = obj.getAttribute('containerId');
	
	if ( pageId == 0 && containerId == 1)
		window.open( "editEvents.aspx");
	else
		window.open( "editParagraph.aspx?pageId=" + 
				pageId + "&pos=" + position + "&containerId=" + containerId );	
}

var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();