document.observe('dom:loaded', global_init);

function global_init ()
{
	mib_select_init();
}

function mib_alert ($msg)
{
	$('alerttxt').update($msg);
	var x = (document.viewport.getWidth()  / 2) - 203;
	var yscroll = yScrollPos();
	var y = (document.body.scrollHeight / 2) - 200 + yscroll;
	$('alert').setStyle({
		display: 'inline',
		left: x + 'px',
		visibility: 'visible',
		top: y + 'px'
	});
	$('fadedback').setStyle({
		height: document.body.scrollHeight + 10 + 'px',
		visibility: 'visible'
	});
}

function mib_alert_ok ()
{
	$('alert').visualEffect('SwitchOff', {afterFinish: function () 
	{
		$('fadedback').setStyle({visibility: 'hidden'});
	}});
}

function mib_select_init ()
{
	$$('.superselect').each(function (e) 
	{
		var options = $(e).options;
		var curValue = ($F(e)) ? options[$F(e)].text : '';
		
		var mibselect = document.createElement('div');
		mibselect.className = 'mibselect';
		mibselect.id = e.id;
		mibselect.style.width = e.getWidth() + 'px';
		var sleft = document.createElement('div');
		sleft.className = 'left';
		var sright = document.createElement('div');
		sright.className = 'right';
		var txt = document.createElement('div');
		txt.className = 'txt';
		txt.innerHTML = curValue;

		var s = e;
		var bgcol = false;
		while (s.tagName != 'BODY' && ! bgcol)
		{
			s = s.up();
			if (s.getStyle('background-color') != 'transparent')
				bgcol = s.getStyle('background-color');
		}
		if (bgcol)
		{
			var hexcol = bgcol.parseColor();
			sright.style.backgroundColor = hexcol;
			sleft.style.backgroundColor = hexcol;
		}

		mibselect.appendChild(sright);
		mibselect.appendChild(sleft);
		mibselect.appendChild(txt);
		e.replace(mibselect);	
	});
	
}

function super_search_submit ()
{
	var f = $('supersearch');
	if (! $F(f['c']) && ! $F(f['k']) && ! $F(f['l']))
	{
		mib_alert('You must specify something to search for!');
		return false;
	}
	else
	{
		return true;
	}
}

function yScrollPos ()
{
	var yscroll;
	if (window.pageYOffset)
	{
		yscroll = window.pageYOffset;
	}
	else if (document.documentElement && document.documentElement.scrollTop)
	{
		yscroll = document.documentElement.scrollTop;
	}
	else if (document.body)
	{
		yscroll = document.body.scrollTop;
	}
	return yscroll;
}

//browser detection script from http://www.quirksmode.org/js/detect.html
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",
			versionSearch: "Version"
		},
		{
			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();