/*******************************************************************************
*
* © 2008 Copyright A-Vision
*
* File description :       UserInterface functions
* 
* Created by       :       Arnold Velzel
* Created on       :       11/08/2008
*
* Last changed by  :       Arnold Velzel
* Last changed on  :       <LastChanged>
* 
*******************************************************************************/

function justCloseTheWindow()
{
 top.opener='X'; 
 top.open('','_parent',''); 
 top.close();
}

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();

function applicationSize()
{
 var topleft = top.document.getElementById("markertopleft");
 var bottomright = top.document.getElementById("markerbottomright");
 var w = 0;
 var h = 0;

 if ( topleft && bottomright) {
  w = eval( bottomright.offsetLeft + bottomright.offsetWidth);
  h = eval( bottomright.offsetTop + bottomright.offsetHeight);
 } else {
  w = top.document.body.offsetWidth;
  h = window.outerHeight;
 }
 
 return( Array(w,h));
}

/*
 Find the absolute Left position of an object
*/
function absoluteX( obj)
{
 var curleft = 0;
 if (obj.offsetParent) {
  while (obj.offsetParent) {
   curleft += obj.offsetLeft;
	  curleft -= obj.scrollLeft;
	  obj = obj.offsetParent;
	  if ( BrowserDetect.browser=="Explorer" && obj.offsetParent && isNum(obj.currentStyle.borderLeftWidth)) {
    curleft += parseInt(obj.currentStyle.borderLeftWidth);
	  }
	 }
 }
 else if (obj.x) curleft += obj.x;
 return curleft;
}
function positionLeft(obj)
{
 return( absoluteX( obj));
}
/*
 Find the absolute Top position of an object
*/
function absoluteY( obj)
{
 var curtop = 0;
 if (obj.offsetParent) {
  while (obj.offsetParent) {
	  curtop += obj.offsetTop;
	  curtop -= obj.scrollTop;
//   alert(obj.id+" - "+obj.nodeName+" - "+obj.scrollTop+" - "+obj.scrollHeight);
	  obj = obj.offsetParent;
	  if ( BrowserDetect.browser=="Explorer" && obj.offsetParent && isNum(obj.currentStyle.borderTopWidth)) {
    curtop += parseInt(obj.currentStyle.borderTopWidth);
	  }
	 }
 }
 else if (obj.y) curtop += obj.y;
 return curtop;
}
function positionTop(obj)
{
 return( absoluteY( obj));
}
function mouseX(evt) {
 var mX = 0;
 if (!evt) evt = window.event;
 if ( evt) {
  if (evt.clientX) {
   mX = evt.clientX + (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);
  } else {
   if ( evt.pageX) {
    mX = evt.pageX;
   }
  }
 }
 return( mX);
}
function mouseY(evt) {
 var mY = 0;
 if (!evt) evt = window.event;
 if ( evt) {
  if (evt.clientY) {
   mY = evt.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);
  } else {
   if ( evt.pageY) {
    mY = evt.pageY;
   }
  }
 }
 return( mY);
}

function switch_style( css_title, active)
{
// You may use this script on your site free of charge provided
// you do not remote this notice or the URL below. Script from
// http://www.thesitewizard.com/javascripts/change-style-sheets.shtml
 var i, link_tag ;
 link_tag = document.getElementsByTagName("link");
 for (i = 0; i < link_tag.length ; i++ ) {
  if ((link_tag[i].rel.indexOf( "stylesheet" ) != -1) && link_tag[i].title) {
   link_tag[i].disabled = active;
   if (link_tag[i].title == css_title) {
    link_tag[i].disabled = !active;
   }
  }
 }
}

function stripEmptyNodes( blk)
{
 var i;
 for (i=0;i<blk.childNodes.length;i++) {
  if ( blk.childNodes[i].nodeName == "#text") {
   text = blk.childNodes[i].innerText?blk.childNodes[i].innerText:blk.childNodes[i].textContent;
   if ( text && text.trim()=="") {
    blk.removeChild(blk.childNodes[i]);
    i--;
   }
  } else {
   if ( blk.hasChildNodes()) {
    stripEmptyNodes( blk.childNodes[i]);
   }
  }
 }
}