function detectBrowser(){	if(document.layers){		thisBrowser="NS";	}	else if(document.all){		thisBrowser="IE";	}	else if(!document.all&&document.getElementById){		thisBrowser="NS6";	}	return thisBrowser;}	function checkOS() {	if(navigator.userAgent.indexOf('IRIX') != -1) 		{ var OpSys = "Irix"; }  		else if((navigator.userAgent.indexOf('Win') != -1) &&(navigator.userAgent.indexOf('95') != -1))		{ 			var OpSys = "Windows95"; 		}  		else if(navigator.userAgent.indexOf('Win') != -1)		{ 			var OpSys = "Windows3.1 or NT"; 		}  		else if(navigator.userAgent.indexOf('Mac') != -1){			var OpSys = "Macintosh"; 		}  		else 		{			var OpSys = "other"; 		}  	return OpSys;}	function nSReload(){	if(thisBrowser=="NS"){		history.go(0);	}}function newWindow(strImg, strNewWindowTitle){	open("lgimg.asp?title="+strNewWindowTitle+"&img="+strImg, "", "toolbar=yes, width=500, height=300, scrollbars=yes")}