function captureEvent() {
    var elem = document.getElementById("sHead_sid")
    var elem2 = document.getElementById("sFoot_sid")
    if(event.keyCode==13) {
        if(elem.focused) {
            document.getElementById('sHead_sbtn').click(); 
            return false;
        }else if(elem2.focused) {
            document.getElementById('sFoot_sbtn').click(); 
            return false;
        }else{
            return false;
       }
    }
}

function CSearch() {
    var s = document.getElementById("sHead_sid").value
    if(s != "") {
        return true;
    }else{
        return false;
    }
}

function LSearch() {
    var s = document.getElementById("sFoot_sid").value
    if(s != "") {
        return true;
    }else{
        return false;
    }
}

addLoadEvent(function() {
   
   var a = new Array("sHead_sid","sFoot_sid");
   for(i=0;i<a.length;i++) {
       try{
           var elem2 = document.getElementById(a[i])
           elem2.focused = false;
           elem2.hasFocus = function() {
              return this.focused;
           };
           elem2.onfocus=function() {
              this.focused=true;
           };
           elem2.onblur=function() {
              this.focused=false;
           }
       }catch(e){}
   }
   
});

addLoadEvent(function() {
    var elem = document.getElementById("sHead_sid").value = s
    try{document.getElementById("sFoot_sid").value = s}catch(e){}
})