function $(id){return document.getElementById(id)}
function isFunction(a){return typeof a=='function'}
function isObject(a){return(typeof a=='object'&&!!a)||isFunction(a)}
function isString(a){return typeof a=='string'}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function getPlace(obj) {
    var curleft = curtop = 0;
    if (obj.offsetParent) {
        curleft = obj.offsetLeft;
        curtop = obj.offsetTop;
        while (obj = obj.offsetParent) {
            curleft += obj.offsetLeft;
            curtop += obj.offsetTop;
        }
    }
    return (document.all)?[curleft,curtop+32]:[curleft,curtop+32];
}
/**
 * Javascript: Stops one from inputing non-numeric data into html text/textarea
 * field.
 *
 * <code>
 * <input type="text" value="" onkeypress="return check_number(event);" />
 * </code>
 *
 * @param event e DOM event object
 */
function check_number(e) {
    if(e.which) {
        var key_index = e.which;
    } else {
        var key_index = window.event.keyCode;
    }
    if((key_index>44 && key_index<58) || key_index==8) {
        return true;
    } else {
        return false;
    }
}
bc_run = function(id, func) {
    var el=document.getElementsByTagName('*');
    var p=new RegExp("\\b"+id+"\\b");
    for(i=0;i<el.length;i++){
        if(p.test(el[i].className)){
            func(el[i]);
        }
    }
}
show=function(o){o.style.display=''}
hide=function(o){o.style.display='none'}
toggle=function(o){o.style.display=(o.style.display=='')?'none':''}
uncheck=function(o){o.checked=false}
check=function(o){o.checked=true}
unselected=function(o){o.selected=false}
selected=function(o){o.selected=true}

function KeepCount(id, count) {
    var NewCount = 0
    var el=document.getElementsByTagName('*');
    var p=new RegExp("\\b"+id+"\\b");
    for(i=0;i<el.length;i++){
        if(p.test(el[i].className) && el[i].checked){
            NewCount++;
        }
    }
    if (NewCount > count) {
        alert('Please only pick '+count);
        return false;
    }
}
function dump(arr,level) {var dumped_text = "";if(!level){level=0};var level_padding="";for(var j=0;j<level+1;j++){level_padding += "    "};if(typeof(arr) == 'object'){for(var item in arr){var value = arr[item];if(typeof(value) == 'object'){dumped_text += level_padding+"'"+item+"' ...\n";dumped_text += dump(value,level+1)}else{dumped_text += level_padding+"'"+item+"' => \""+value+"\"\n"}}}else{dumped_text = "===>"+arr+"<===("+typeof(arr)+")"};return dumped_text}