var navType='unknown'; 
var navVersion = navigator.appVersion ; 
//alert(  navigator.appVersion ); 

if ( navigator.appName == "Netscape" ) { 
	navType = 'firefox'; 
	var appVerNoCase = (navigator.appVersion).toUpperCase(); 
	if (  (navigator.appVersion).indexOf('Safari') > -1  && (navigator.appVersion).indexOf('Chrome') == -1 ) { 	
		navType='safari';
	}  else if (  (navigator.appVersion).indexOf('Chrome') > -1     ){ 
		navType='chrome';
	}  else if (  appVerNoCase.indexOf('MACINTO') > -1     ){ 
		navType='mac';
	}
	
} else { 
	
	if(( navigator.appVersion).indexOf('MSIE 8') > -1 ) {
		navType='ie8' 
	} else { 
		navType = 'ie'; 
	}  
} 

//alert( navigator.appVersion ); 
//alert( navigator.appName ); 

							function locateNodeY( xNode ){
								var pos = xNode.offsetTop;
								var p = xNode; 
								while( true ) {
									if( !p.offsetParent )break;
									p = p.offsetParent;
									pos += p.offsetTop;
								}
								return pos; 
							} 
							function locateNodeX( xNode ){
									var pos = xNode.offsetLeft;
									p =xNode;
									while( true ) {
										if( !p.offsetParent )break;
										p = p.offsetParent;
										pos += p.offsetLeft;
									}
									return pos;  
							}