function detectVersion() {
	 version = parseInt(navigator.appVersion);
	 return version;
 }
 
 function detectOS() {
	 if(navigator.userAgent.indexOf('Win') == -1) {
		 OS = 'Macintosh';
	 } else {
		 OS = 'Windows';
	 }
	 return OS;
 }
 
 function detectBrowser() {
	 if(navigator.appName.indexOf('Netscape') == -1) {
		 browser = 'IE';
	 } else {
		 browser = 'Netscape';
	 }
	 return browser;
 }
 
 function MakeItSo(pagina){
		 if((detectOS() == 'Windows') && (detectBrowser() == 'IE')) {
		 window.open(pagina,'windowname','fullscreen=yes');
	 } else {
		 var adjWidth;
		 var adjHeight;
		 
		 if((detectOS() == 'Macintosh') && (detectBrowser() == 'Netscape')) {
			 adjWidth = 0;
			 adjHeight = 35;
		 }
		 if((detectOS() == 'Macintosh') && (detectBrowser() == 'IE')) {
			 adjWidth = 20;
			 adjHeight = 35;
			 winOptions = 'fullscreen=yes';
		 }
		 if((detectOS() == 'Windows') && (detectBrowser() == 'Netscape')) {
			 adjWidth = 0;
			 adjHeight = 30;
		 }
		 if(detectVersion() < 4) {
			 self.location.href = pagina;
		 } else {
			 var winWidth = screen.availWidth - adjWidth;
			 var winHeight = screen.availHeight - adjHeight;
			 var winSize = 'width=' + winWidth + ',height=' + winHeight;
			 var thewindow = window.open(pagina, 'WindowName', winSize);
			 thewindow.moveTo(0,0);
		 }
	 }
 }