var adetect,aOS,abrowser,aversion,atotal,athestring;
        function browserdetect() {
        	adetect = navigator.userAgent.toLowerCase();
        
        	if (checkIt('konqueror'))
        	{
        		abrowser = "Konqueror";
        		aOS = "Linux";
        	}
        	else if (checkIt('safari')) abrowser = "Safari"
        	else if (checkIt('omniweb')) abrowser = "OmniWeb"
        	else if (checkIt('opera')) abrowser = "Opera"
        	else if (checkIt('webtv')) abrowser = "WebTV";
        	else if (checkIt('icab')) abrowser = "iCab"
        	else if (checkIt('msie')) abrowser = "IE"
        	else if (checkIt('firefox')) abrowser = "FireFox"
        	else if (checkIt('mozilla')) abrowser = "Mozilla"
        	else if (!checkIt('compatible'))
        	{
        		abrowser = "NetscapeComp"
        		aversion = detect.charAt(8);
        	}
        	else abrowser = "An unknown browser";
        	
        	if (!aversion) aversion = adetect.charAt(aplace + athestring.length);
        	
        	if (!aOS)
        	{
        		if (checkIt('linux')) aOS = "Linux";
        		else if (checkIt('x11')) aOS = "Unix";
        		else if (checkIt('mac')) aOS = "Mac"
        		else if (checkIt('win')) aOS = "Windows"
        		else aOS = "an unknown operating system";
        	}
        }
        
        function checkIt(string)
        {
        	aplace = adetect.indexOf(string) + 1;
        	athestring = string;
        	return aplace;
        }
        browserdetect();
        
        function doOnResize(){
        	var aWindowHeight = window.innerHeight;
        	var aBodyHeight = document.body.offsetHeight; 
        	if (abrowser == 'FireFox'){
          		document.getElementById('iframecontent').style.height = (aWindowHeight - 85) + "px"; //1200 + "px";
          		document.getElementById('main-menu').style.height = (aWindowHeight - 85) + "px"; //1200 + "px";
            }
        }