function replace_headings(){
	
	var headings=document.body.getElementsByTagName('H2');	

	for(var i=0;i<headings.length;i++)
		{
		var text=headings[i].innerHTML;

		var img=text.toLowerCase();
		img=img.replace(/ /g,'-');

		headings[i].innerHTML='<img src="'+sys.path+'/grfx/'+img+'.png" />';
		}
	
}

function deal_with_pngs(){

	if(BrowserDetect.browser=='Explorer' && BrowserDetect.version==6)
		{
		var imgs=document.getElementsByTagName('IMG');

		for(var i=0;i<imgs.length;i++)
			{
			var img=imgs[i];

			if(img.src.indexOf('.png')>-1)
				{			
				var cur=img.src;

				img.src='http://www.allsportingevents.co.uk/grfx/s.gif';
				
				if(img.style.filter=='')
					img.style.filter='progid:DXImageTransform.Microsoft.AlphaImageLoader(src="'+cur+'")';
				}
			}			
		}
}

function init(){
	
	replace_headings();	
	deal_with_pngs();

	var main=document.getElementById('main-content');
	var right=document.getElementById('column-right');

	var off=main.offsetTop+main.offsetHeight;
	var diff=right.offsetHeight-off;

	if(diff>0)
		main.style.height=(right.offsetHeight-main.offsetTop)-50+'px';
}

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();

function nospam(a,b){
	window.location='mailto:'+b+'@'+a+'?subject=general enquiry';
}