function trim(st) {
		var len = st.length
		var begin = 0, end = len - 1;
		while (st.charAt(begin) == " " && begin < len) {
				begin++;
		}
		while (st.charAt(end) == " " && begin < end) {
				end--;
		}
		return st.substring(begin, end+1);
}


/************** START: highlight table rows ********************/

function addStyleClass(elem, clazzName) {
		var n = ' ' + elem.className + ' ';
		if (n.indexOf(' ' + clazzName + ' ') < 0) {
				var append = (elem.className.length > 0) ? ' ' + clazzName : clazzName;
				elem.className += append;
		}
}

function delStyleClass(elem, clazzName) {
		var n = ' ' + elem.className + ' ';

		var len = clazzName.length;
		var start = n.indexOf(' ' + clazzName + ' ');
		if (start >= 0) {
				var end = start + len + 1;
				elem.className = trim(n.substring(0, start) + n.substring(end, n.length));
				return;
		}
}

function hiOn(row){
		addStyleClass(row, 'highlight');
}

function hiOff(row){
		delStyleClass(row, 'highlight');
}

/************** END: highlight table rows ********************/

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_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_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];}
}