// JavaScript Document

// NAME -- IEbrowser_detection.js
// AUTHOR -- Brian J Almeter.
// FOR -- American Art Museum
// find userAgent of browser to display browser type, version and platform
bNav = navigator.userAgent
// find string for IE browser version
bIEVerString  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
// find string for Opera browser
bOperaString  = new RegExp("Opera");
bOpera = false;
// find string for Netscape 4
bNetString  = new RegExp("Mozilla/4");
bNet = false;
// find string for Firefox
bFfoxString  = new RegExp("Firefox");
bFfox = false;
// find string for Macintosh
pMacString  = new RegExp("Macintosh");
pMac = false;

// get version number
if (bIEVerString.exec(bNav) != null) {
	bIEVer = parseFloat( RegExp.$1 );
}
// detect MSIE 6
if (bNav.search(bIEVer6String) != -1) {
	bIE6 = true;
}
// detect Macintosh
if (bNav.search(pMacString) != -1) {
	pMac = true;
}
// detect Opera
if (bNav.search(bOperaString) != -1) {
	bOpera = true;
}
// detect Firefox
if (bNav.search(bFfoxString) != -1) {
	bFfox = true;
}
// detect Netscape 4, include body background color
if (bNav.search(bNetString) != -1) {
	bNet = true;
}
function chkBrowser() {
	if (bIEVer >= 4.01 && bIEVer < 5.0) {
		 // change style sheet properties for the following in MSIE
		 document.write("<style>#splash2{margin-left:0px}</style>");
	}
	if (bIEVer >= 5.0 && bIEVer < 5.5 && pMac == true) {
		// change style sheet properties for the following in MSIE
		document.getElementById("header").style.position = "relative";
		document.getElementById("submenu").style.position = "relative";
		document.getElementById("submenu").style.top = "-20px";
		document.getElementById("menubox").style.position = "relative";
		document.getElementById("menubox").style.top = "-35px";
		document.getElementById("contentbox").style.position = "relative";
		document.getElementById("contentbox").style.top = "-35px";
		document.getElementById("container").style.position = "relative";
		document.getElementById("container").style.left = "15%";
		document.getElementById("splash2").style.position = "relative";
		document.getElementById("splash2").style.left = "15%";
		document.getElementById("horizon").style.position = "relative";
		document.getElementById("content").style.position = "relative";
	}
	if (bIEVer >= 5.5) {
		// change style sheet properties for the following in MSIE
		document.getElementById("header").style.position = "relative";
		document.getElementById("submenu").style.position = "relative";
		document.getElementById("submenu").style.top = "-20px";
		document.getElementById("menubox").style.position = "relative";
		document.getElementById("menubox").style.top = "-35px";
		document.getElementById("contentbox").style.position = "relative";
		document.getElementById("contentbox").style.top = "-35px";
		document.getElementById("container").style.position = "relative";
		document.getElementById("splash2").style.position = "relative";
		//document.getElementById("splash2").style.marginLeft = "0px";
		document.getElementById("horizon").style.position = "relative";
		document.getElementById("content").style.position = "relative";
		document.write("<style media=print>#content{margin-left:-100px;}</style>");
	}
	if (bOpera == true) {
		// change style sheet properties for the following in Opera
		document.getElementById("header").style.position = "relative";
		document.getElementById("header").style.top = "-25px";
		document.getElementById("submenu").style.position = "relative";
		document.getElementById("submenu").style.top = "-7px";
		document.getElementById("menubox").style.position = "relative";
		document.getElementById("menubox").style.top = "-25px";
		document.getElementById("contentbox").style.position = "relative";
		document.getElementById("contentbox").style.backgroundColor = "#FFFFFF";
		document.getElementById("contentbox").style.top = "-25px";
		document.getElementById("splash2").style.position = "relative";
		document.getElementById("splash2").style.marginLeft = "0px";
		document.getElementById("horizon").style.position = "relative";
		document.getElementById("content").style.position = "relative";
		document.getElementById("content").style.backgroundColor = "#FFFFFF";
		document.getElementById("search").style.paddingTop = "8px";
		document.getElementById("body").style.backgroundColor = "#FFFFFF";
	}
}