// JavaScript Document

function setMenuNavFocus(id,imgSrc) {
	document.getElementById(id).src = imgSrc;
}

function toggleClassById(id,cName) {
	document.getElementById(id).className = cName;	
}

function displayNavMenu(menuID,divID,toggleFlag) {
	if (toggleFlag == true) {
		var leftPos = document.getElementById(divID).offsetLeft + 359;
		document.getElementById(menuID).style.left = leftPos + "px";
		document.getElementById(menuID).style.display = "block";
	}
	else {
		document.getElementById(menuID).style.left = "";
		document.getElementById(menuID).style.display = "none";
	}
}

function WriteLayer(ID,parentID,sText) {
	if (document.layers) {
		var oLayer = (parentID)? eval('document.' + parentID + '.document.' + ID + '.document') : document.layers[ID].document;
		oLayer.open();
		oLayer.write(sText);
		oLayer.close();
	}
	else if (document.all) {
		document.all[ID].innerHTML = sText;
	}
	else if (parseInt(navigator.appVersion) >= 5 && navigator.appName=="Netscape") {
		document.getElementById(ID).innerHTML = sText;
	}
}

function validateData(cond,layerID,errorTxt) {
	if (eval(cond)) {
		WriteLayer(layerID,null,errorTxt);
		return false;
	}
	else {
		WriteLayer(layerID,null,'');
		return true;
	}
}

function setReqField(fldValue,msgID) {
	var reqField = new Object();
	
	reqField.value = fldValue;
	if (msgID != 0) {
		reqField.id = msgID
		$(msgID).innerHTML = "";
	}
	
	return reqField;
}

function getBrowserWinSize () {
	var broswerWin = new Object();
	
	broswerWin.winWidth = 0;
	broswerWin.winHeight = 0;

	if(typeof( window.innerWidth ) == 'number') {
		//Non-IE
		broswerWin.winWidth = window.innerWidth;
		broswerWin.winHeight = window.innerHeight;
	}
	else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight )) {
		//IE 6+ in 'standards compliant mode'
		broswerWin.winWidth = document.documentElement.clientWidth;
		broswerWin.winHeight = document.documentElement.clientHeight;
	}
	else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
		//IE 4 compatible
		broswerWin.winWidth = document.body.clientWidth;
		broswerWin.winHeight = document.body.clientHeight;
	}
	
	return broswerWin;
}

function getScrollXY() {
  var scrOfX = 0, scrOfY = 0;
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;
    scrOfX = window.pageXOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
    scrOfX = document.body.scrollLeft;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
    scrOfX = document.documentElement.scrollLeft;
  }
  return [ scrOfX, scrOfY ];
}

function openPopupWin(urlString,w,h) {
	var winHeight = h;
	var winWidth = w;
	var leftPos=(screen.width-winWidth)/2;
	var topPos=(screen.height-winHeight-100)/2;
	var popupWinUniqueName = "";
	var today = new Date();
	var currMonth = today.getMonth() + 1;
	
	popupWinUniqueName = "PopupWin" + today.getFullYear() + currMonth + today.getDate() + today.getHours() + today.getMinutes() + today.getSeconds();

	popupWin = window.open(urlString, popupWinUniqueName, "height="+winHeight+",width="+winWidth+",left="+leftPos+",top="+topPos+",resizable,scrollbars,toolbar,menubar=no");
	popupWin.focus();
}

function repositionFooter(bodyId,offsetTop) {
	var divH1 = document.getElementById('gradientBox').offsetHeight;
	var divH2 = document.getElementById('contentPara').offsetHeight;
	
	maxH = Math.max(divH1,divH2) + 20; 
	document.getElementById(bodyId).style.height = maxH + "px";
	
	document.getElementById('footer').style.position = "relative";
	if (BrowserDetect.browser == "Safari") { 
		document.getElementById('footer').style.marginTop = offsetTop + "px";
	}
	else {
		document.getElementById('footer').style.top = offsetTop + "px";
	}
	document.getElementById('footer').style.left = "0px";
}

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();