function browserDetect() {
   
  	 var version = navigator.appVersion; 
   	 var isSafari = version.match("Safari"); 
     var mapElement = document.getElementById("frontMap"); 
   
  	 if(isSafari != null) {

        mapElement.style.top = "45px";    	
  	 }
  
 	 else {
   
      	mapElement.style.top = "27px"; 
 	 }
   }