function ajaxFunction(_1,_2,pag,res_div,ldr){
var vi = document.getElementById(ldr);
vi.style.visibility = "visible";
var _3;
try{
_3=new XMLHttpRequest();
}
catch(e){
try{
_3=new ActiveXObject("Msxml2.XMLHTTP");
}
catch(e){
try{
_3=new ActiveXObject("Microsoft.XMLHTTP");
}
catch(e){
alert("Your browser broke!Need faster, safer, better browser? Get Firefox! Free!");
return false;
}}}
_3.onreadystatechange=function(){
var _4=document.getElementById(res_div);
if(_3.readyState==4){
vi.style.visibility = "hidden";
 _4.innerHTML=_3.responseText;
} 
};
var _5="?var1="+_1+"&var2="+_2;
_3.open('GET',pag+_5,true);
_3.send(null);
};