var myForm = document.createElement("form");
myForm.method="get" ;
myForm.action = "line_ticket.aspx" ;
var myInput = document.createElement("input") ;
myInput.setAttribute("name", "id") ;
myInput.setAttribute("value", idStr);
myForm.appendChild(myInput) ;

var myInput2 = document.createElement("input") ;
myInput2.setAttribute("name", "fid") ;
myInput2.setAttribute("value", fid);
myForm.appendChild(myInput2) ;

var myInput3 = document.createElement("input") ;
myInput3.setAttribute("name", "unlock") ;
myInput3.setAttribute("value", unlock);
myForm.appendChild(myInput3) ;

var myInput4 = document.createElement("input") ;
myInput4.setAttribute("name", "Option") ;
myInput4.setAttribute("value", "del");
myForm.appendChild(myInput4) ;
document.body.appendChild(myForm) ;
myForm.submit() ;
document.body.removeChild(myForm) ;