Javascript in Ajax

VaR XMLHTTP;

 

Function createxmlhttprequest (){

If (window. activexobject ){

XMLHTTP = new activexobject ("Microsoft. XMLHTTP ");

}

Else if (window. XMLHttpRequest ){

XMLHTTP = new XMLHttpRequest ();

}

}

 

Function queryuserinfo (){

VaR jrntl_id = Document. getelementbyid ("jrntl_id"). value;
 
If (jrntl_id = ""){
Return;
}

 

VaR url = "../JSP/gywork/getinfo. jsp? Userid = "+ jrntl_id;

 

Createxmlhttprequest ();

XMLHTTP. onreadystatechange = handleaddstatechange;

XMLHTTP. Open ("get", URL, true );

XMLHTTP. Send (null );

}

Function handleaddstatechange (){

If (XMLHTTP. readystate = 4 ){

If (XMLHTTP. Status = 200 ){

VaR responsexml = XMLHTTP. responsexml;
VaR queryresult = responsexml. getelementsbytagname ("queryresult") [0]. firstchild. nodevalue;

If ("failed" = queryresult ){
Document. All ("jyid"). innerhtml = "enter the correct number ";
} Else {
VaR name = responsexml. getelementsbytagname ("name") [0]. firstchild. nodevalue;
VaR bank_id = responsexml. getelementsbytagname ("bank_id") [0]. firstchild. nodevalue;
VaR bank_name = responsexml. getelementsbytagname ("bank_name") [0]. firstchild. nodevalue;
Document. getelementbyid ("jrntl_id_name"). value = Name;
Document. getelementbyid ("jrnbr"). value = bank_id;
Document. getelementbyid ("jrnbr_name"). value = bank_name;
Document. All ("jyid"). innerhtml = "correct ";
}

}

Else {

Alert ("An error occurred while obtaining background data! ");

}

}

}