function ltrim(pcStr) {
	var lcTemp = pcStr;
	
	while (lcTemp.length > 0 && lcTemp.substr(0, 1) == ' ')
		lcTemp = lcTemp.substr(1);
	
	return lcTemp;
}

function rtrim(pcStr) {
	var lcTemp = pcStr;
	
	while (lcTemp.length > 0 && lcTemp.substr(lcTemp.length-1, 1) == ' ')
		lcTemp = lcTemp.substr(0, lcTemp.length-1);
	
	return lcTemp;
}

function alltrim(pcStr) {
	return rtrim(ltrim(pcStr));
}
function expanderClick(poImg, poDiv, pcName) {
	var imgsrc = poImg.src;
	var llExpand = (poImg.src.indexOf('/plus.gif') >= 0  ? true : false);
	
	if (llExpand) {
		var i = 1;
		var lcDiv = pcName + '_' + i;
		var lcImg;
		
		do {
			lcImg = 'img'+lcDiv;
			document.all.item(lcImg).src = 'library/plus.gif';
			document.all.item(lcDiv).style.display = 'none';
			
			i++;
			lcDiv = pcName + '_' + i;
		} while (document.all.item(lcDiv) != null);		
	}
	poImg.src = 'library/' + (llExpand  ? 'minus.gif' : 'plus.gif');
	poDiv.style.display = (llExpand ? '' : 'none');
}