function fullScreen(arg) {
	/*var ie4 = document.all ? true:false;
			breedte = screen.availWidth - 10 ;
			hoogte = screen.availHeight - 30;
			if(navigator.appVersion.indexOf("Mac") != -1) {
				hoogte -= 5;
				//alert("testje")
			}
			if(navigator.appVersion.indexOf("Mac") != -1 && ie4) {
				//alert("test2")
				if(screen.width > 1250 && screen.height < 1020) {
					hoogte +=12;
				}
				if(screen.width > 1020 && screen.height == 765) {
					hoogte +=0;
				}
			}
			
			var str = "left= 0, top= 0,width="+breedte+",height="+hoogte+",scrollbars=no";
			if (navigator.appName == 'Microsoft Internet Explorer') {
				//normale start (met vandaag)
				var fullscreen = window.open("start.asp","FIT",str);
				//opendeur start
				//var fullscreen = window.open("start.asp?startup=3,14,-1,-1","FIT",str);
			} else {
				//normale start (met vandaag)
				var fullscreen = window.open("start.asp","FIT",str);
				//opendeur start
				//var fullscreen = window.open("start.asp?startup=3,14,-1,-1","FIT",str);
			}*/
	//normale start (met vandaag)
	if(arg == "fit"){
		window.location = "start.asp";
	}else{
		window.location = "start.asp?startup=1,0,-1,-1";
	}
	//opendeur start
	//var fullscreen = window.open("start.asp?startup=3,14,-1,-1","FIT",str);
}