var its;
var browserName;
var browserNameLong;
var browserNew;
var Macintosh = navigator.userAgent.indexOf('Mac')>0;

function its() 
{
	var n = navigator;
	var ua = ' ' + n.userAgent.toLowerCase();
	var pl = n.platform.toLowerCase();
	var an = n.appName.toLowerCase();

	this.version = n.appVersion;
	this.nn = ua.indexOf('mozilla') > 0;

	if(ua.indexOf('compatible') > 0) 
	{
		this.nn = false;
	}

	this.opera = ua.indexOf('opera') > 0;
	this.ie = ua.indexOf('msie') > 0;
	this.major = parseInt( this.version );
	this.minor = parseFloat( this.version );

	this.mac = ua.indexOf('mac') > 0;
	this.win = ua.indexOf('win') > 0;

	if(this.ie) 
	{
 		if(ua.indexOf("msie 5") > 1) 
		{
  			var msieIndex = navigator.appVersion.indexOf("MSIE") + 5;
  			this.major = parseFloat(navigator.appVersion.substr(msieIndex,3));
  		}
	}

	return this;
}

function get_browserNameLong()
{
	its = new its();

	if (!document.getElementById) 
	{
		browserNew = false;
 	} else {
		browserNew = true;
	}

	if (its.opera) 
	{
		browserName = "Opera";
 	} else if (its.ie) {
		browserName = "IE";
	} else {
		browserName = "NS";
	}

	browserNameLong = browserName + its.major;

	return browserNameLong;
}

function get_popup_height(height)
{
	//browserNameLong = get_browserNameLong();

	if (Macintosh) 
	{
  		if (browserNameLong == "IE4" || browserNameLong == "IE4.5") 
		{
			return parseInt(height + 17);
		} else {
			return height;
 		}
	} else {
		return height;
	}
}