if(navigator.appName.indexOf("Microsoft") > -1){ 
var toggle = 'block'; 
} else { 
var toggle = 'table-row'; 
} 
 
function edit(objName1,objName2) { 
var obj1=document.getElementById(objName1); 
var obj2=document.getElementById(objName2); 
if (obj1.style.display == "none"){ 
obj1.style.display = toggle; 
obj2.style.display = "none"; 
}else{ 
obj1.style.display = "none"; 
obj2.style.display = toggle; 
} 
}