//			style chooser
//			takes defaultCSS & altCSS as the paths to the .css


			var isIE, isNS, isMac, isWin, isLinux
			
			navApp = navigator.appName.toLowerCase()
			
			if ( navApp.indexOf('netsc') >= 0 ) {isNS = true}
			if ( navApp.indexOf('explor') >= 0 ) {isIE = true}

			if (navigator.platform) {
				navPlat = navigator.platform.toLowerCase()
				if ( navPlat.indexOf('win') >= 0 )	{ isWin = true }
				if ( navPlat.indexOf('mac') >= 0 ) { isMac = true }
				if ( navPlat.indexOf('linux') >= 0 ) { isLinux = true }
			}
			
			if(isIE && isMac && navigator.appVersion.indexOf('5.0') >= 0) { navVer = 5 }
			else {	navVer = parseInt(navigator.appVersion) }
	
			function setStyle() {
						
				if (isMac && isNS) { style = altCSS }
				else { style = defaultCSS }
				document.writeln('<!--	css.js script has decided upon ' + style + ' -->')
				document.writeln('<link rel="stylesheet" href="' + style + '">')
				
			}
			
			setStyle()