var STR_WHITESPACE = " \t\n\r";

function toggleRow(i)
{
	var image = document.getElementById("img_" + i);
	var row = document.getElementById("tr_" + i);
	
	if(image.src.indexOf("plus") >= 0)
	{
		row.style.display = "";
		image.src = "/content/DriverDownload/includes/images/us/minus.gif";
	}
	else
	{
		row.style.display = "none";
		image.src = "/content/DriverDownload/includes/images/us/plus.gif";
	}
}

/*
function showDiv(divID)
{
	var div = document.getElementById(divID);

	div.style.display = "";
}

function hideDiv(divID)
{
	var div = document.getElementById(divID);
	
	div.style.display = "none";
}
*/

var iMyOpacity = 96;
function showDiv(strDIVID) {
	iMyOpacity = 0;
	var myDiv = document.getElementById(strDIVID);

	myDiv.style.display = "";
		
	changeOpac(iMyOpacity, strDIVID);		
	setTimeout("fadeInDiv('" + strDIVID + "')", 0);
}

function hideDiv(strDIVID) {
	iMyOpacity = 100;
	setTimeout("fadeOutDiv('" + strDIVID + "')", 0);
}
		
function fadeInDiv(strDIVID)
{
	iMyOpacity += 12;

	changeOpac(iMyOpacity, strDIVID);

	if(iMyOpacity < 96) {
		setTimeout("fadeInDiv('" + strDIVID + "')", 0);
	}
	else
	{
		iMyOpacity = 96;
	}
}


function fadeOutDiv(strDIVID) {
	iMyOpacity -= 25;

	changeOpac(iMyOpacity, strDIVID);

	if(iMyOpacity > 0) {
		setTimeout("fadeOutDiv('" + strDIVID + "')", 0);
	}
	else {
		document.getElementById(strDIVID).style.display = "none";
	}
}

function changeOpac(opacity, id) { 
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100); 
	object.MozOpacity = (opacity / 100); 
	object.KhtmlOpacity = (opacity / 100); 
	object.filter = "alpha(opacity=" + opacity + ")"; 
}


//START: Validation Functions
function doCheckInt(value)
{
	var bOk = doCheckNumber(value);

	if ( value == parseInt(value) )
	{
		bOk = true;
	}
	else
		bOk = false;

	return bOk;
}

function doCheckNumber(value)
{
	var bOk   = true;
	
	if ( isNaN(value) || isWhitespace(value))
		bOk = false;

	return bOk;
}

function isWhitespace (s)
{	//Post: returns true iff s is empty or whitepsace charachters only

    if (isEmpty(s)) return true;

    for (var i = 0; i < s.length; i++)
    {
        var c = s.charAt(i);
        if (STR_WHITESPACE.indexOf(c) == -1) return false;
    }

    return true;
}

function isEmpty(s)
{	//Post: returns true iff s is empty.
	return ((s == null) || (s.length == 0))
}

function doCheckFloat(value)
{
	var bOk    = doCheckNumber(value);
	
	var dblVal = parseFloat(value);

	if ( dblVal == parseInt(value) )
		bOk = false;

	return bOk;
}
//END: Validation Functions

//START: Browser Detection
function GetOSCode()
{
	var userAgent = navigator.userAgent.split(";");
	var osCode = "";
	var userAgentLower = "";
	for(var i = 0; i < userAgent.length; i++)
	{
		userAgentLower = userAgent[i].toLowerCase();

		if((userAgentLower.indexOf("windows") > -1 || userAgentLower.indexOf("win") > -1) && userAgentLower.lastIndexOf(" ") > -1)
		{
			if(userAgentLower.indexOf("windows 95") > -1)
			{
				osCode = "4.0"
			}
			else if(userAgentLower.indexOf("windows 98") > -1)
			{
				osCode = "4.1"
			}
			else
			{
				osCode = parseFloat(userAgentLower.substr(userAgentLower.lastIndexOf(" "), userAgentLower.length));

				// This 64/32 bit detection code will only work for IE
				// Mozilla based browsers do not report the type of OS properly
				////////

				if (osCode == 6 || osCode == 6.1) {
					// check if it's 32-bit or 64-bit
					for (var j = 0; j < userAgent.length; j++) {
						var secondReflection = userAgent[j].toLowerCase();
						if (secondReflection.match("win64") || secondReflection.match("wow64")) {
							if (osCode == 6) { // We have a 64-bit match
								osCode = "6.0-64";
							}
							else if (osCode == 6.1) { // We have a 64-bit match
								osCode = "6.1-64";
							}
						}
					}
				}
			}
			if(!isNaN(osCode))
			{
				break;
			}
		}
		else if(userAgentLower.indexOf("linux") > -1 && !(userAgentLower.indexOf("x86_64") > -1))
		{
			osCode = "linux32";
			break;
		}
		else if(userAgentLower.indexOf("linux") > -1 && userAgentLower.indexOf("x86_64") > -1)
		{
			osCode = "linux64";
			break;
		}
		else if(userAgentLower.indexOf("sunos") > -1)
		{
			osCode = "sunos";
			break;
		}
		else if(userAgentLower.indexOf("freebsd") > -1)
		{
			osCode = "freebsd";
			break;
		}
	}
	return osCode;
}


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();
//END: Browser Detection