function writeE(a) {
  var eA = a; 
  eA += '@cg';
  eA += 'lcom.c';
  eA +=  'om';
  var eL = 'mailto:' + eA;
  document.write('<a href="' + eL + '">' + eA + '</a>');
}
        
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: "Chrome",
			identity: "Chrome"
		},
		{ 	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();
        
var intX = 0;
var intY = 0;
var intYOffset = 0;

if (BrowserDetect.browser == 'Explorer') {
  if (BrowserDetect.version < '8') { 
    intYOffset = 153;
  } else {
    intYOffset = 128;
  }  
} else {
  intYOffset = 128;
}

function onImg(sImg) {
  sImg.src='images/' + sImg.name +'-over.jpg';
}

function offImg(sImg) {
  if (sImg.name != onPage) {
    sImg.src='images/' + sImg.name +'.jpg';
  } 
}


function findObj(nm){
  var o;
  d=document;
  if(d.getElementById) {
    o=d.getElementById(nm);
  } else {
    if (d.Layers) {
      o=d.Layers[nm];
    } else {
      o=d[nm];
    }
  }
  return o;
}

      
function showSubMenu(mObj){
  hideAllSubMenus(mObj.name);
  var subObj = findObj('menu' + mObj.name );
  
  if (subObj.style) {
    getXY(mObj);
    subObj.style.left = intX + 'px';
    subObj.style.top = intY + 'px';
    subObj.style.display = 'block';
  }        
}
      
function hideSubMenu(hiding,but){      
  if (hiding != but) {
    var subObj = findObj('menu' + hiding );        
    subObj.style.display = 'none';
    var imgObj = findObj(hiding);
    offImg(document.images[hiding]);
  }
}
      
function hideAllSubMenus(but)
{        
  hideSubMenu('AboutUs',but);     
  hideSubMenu('Specialties',but); 
  hideSubMenu('Services',but);
}


	
function getXY(objItem){
  var objParent = null;
  intX = 0;
  intY = 0;
  do
   { 
    intX += objItem.offsetLeft;
    intY += objItem.offsetTop;
    objParent = objItem.offsetParent.tagName;
    objItem = objItem.offsetParent;
   }
  while(objParent != 'BODY')
  intY += intYOffset;
}