function htmlEncode( string ) {
    if(string.length>0){
    string = escape(string);
     string = string.replace(/\//g,"%2F");
     string = string.replace(/\?/g,"%3F");
     string = string.replace(/=/g,"%3D");
     string = string.replace(/&/g,"%26");
     string = string.replace(/@/g,"%40");
     //alert(string);
    }
     return string;
   }
function replaceChars( string ) {
    if(string.length>0){
     string = string.replace(/ü/g,"ü");
     string = string.replace(/Ü/g,"ü");
     string = string.replace(/á/g,"á");
     string = string.replace(/Á/g,"á");
     string = string.replace(/é/g,"é");
     string = string.replace(/É/g,"é");
     string = string.replace(/í/g,"í");
     string = string.replace(/Í/g,"í");
     string = string.replace(/õ/g,"õ");
     string = string.replace(/Õ/g,"Õ");
     string = string.replace(/ó/g,"ó");
     string = string.replace(/Ó/g,"ó");
     string = string.replace(/ú/g,"ú");
     string = string.replace(/Ú/g,"ú");
     string = string.replace(/û/g,"ű");
     string = string.replace(/Û/g,"ű");
    }
     return string;
}

function preventDefault(e) {
    if(!e) var e = window.event;

    //e.cancelBubble is supported by IE - this will kill the bubbling process.
    e.cancelBubble = true;
    e.returnValue = false;

    //e.stopPropagation works only in Firefox.
    if (e.stopPropagation) {
        e.stopPropagation();
        e.preventDefault();
    }
}

function checkChars( obj, maxChars ){
    if(obj != null){
        if(document.getElementById(obj.id + "_chars") != null){
            cObj = document.getElementById(obj.id + "_chars");
            if(parseInt(maxChars - obj.value.length) < 0){
                obj.value = obj.value.substr(0,maxChars);
            }
            cObj.innerHTML = parseInt(maxChars - obj.value.length);
        }
    }
}
function show( id, method, velocity ){
    if(method==undefined) method='slide';
    if(velocity==undefined) velocity='slow';
    if(method=='slide') $j("#" + id).slideDown(velocity);
    else if(method=='fade') $j("#" + id).fadeIn(velocity);
    else if(method=='show') $j("#" + id).show(velocity);
    else if(method=='toggle') $j("#" + id).toggle(velocity);
    else if(method=='nothing' || method=='none') document.getElementById(id).style.display='block';
}

function hide( id, method, velocity ){
    if(method==undefined) method='slide';
    if(velocity==undefined) velocity='slow';
    if(method=='slide') $j("#" + id).slideUp(velocity);
    else if(method=='fade') $j("#" + id).fadeOut(velocity);
    else if(method=='show') $j("#" + id).hide(velocity);
    else if(method=='toggle') $j("#" + id).toggle(velocity);
    else if(method=='nothing' || method=='none') document.getElementById(id).style.display='none';
}
function openClose( id, method ){
    if(document.getElementById( id ) != null){
        obj = document.getElementById( id );
        if( obj.style.display=='none' ){
            show( obj.id, method );
        }else{
            hide( obj.id, method );
        }
    }
}