// String Trim extention
function trim(str)
{
	return IsValueEmpty(str)?"":(new String(str)).trim().toLowerCase();
}
	
String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g,"");
}
String.prototype.ltrim = function() {
	return this.replace(/^\s+/,"");
}
String.prototype.rtrim = function() {
	return this.replace(/\s+$/,"");
}

function IsValueEmpty(str)
{
    return (str=="" || str==undefined || str==null);
}

_getValue=function($value, $defaultValue) {
			
	if (IsValueEmpty($value)) $value="";			
	if (IsValueEmpty($defaultValue)) $defaultValue="";
		
	$defaultValue=new String($defaultValue);
	$value=new String($value);
	var str=(!IsValueEmpty($value)?$value:$defaultValue);
	return str.toString();
}

_getAttrValue=function($this, $attrName) {
	return _getAttrValue($this, $attrName, "");
}

_getAttrValue=function($this, $attrName, $defaultValue) {
	var $value=$this.attr($attrName);
	return _getValue($value, $defaultValue);
}

// MM Functions	
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 MM_preloadImages() { //v3.1
    MM_preloadImages2(MM_preloadImages.arguments);
}

function MM_preloadImages2(imageList) { //v3.1
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=imageList;
    for(i=0; i<a.length; i++)
        if ((!IsValueEmpty(a[i].trim())) && a[i].indexOf("#")!=0){ 
            d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}
        }
}

function MM_findObj(n, d) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); 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];}
}