btn_close = new Image();
	btn_close.src = "xfiles/rightR.gif";
	
	btn_expand = new Image();
	btn_expand.src = "xfiles/downD.gif";
	
	var iExpanded = false;
	
	function expand(iRow) {
		document.images['rowImg'+iRow].src = btn_close.src;
		oItem = document.getElementById('row' + iRow);
		oItem.className = 'expanded'
	}
		
	function collapse(iRow) {
		document.images['rowImg'+iRow].src = btn_expand.src;
		oItem = document.getElementById('row' + iRow);
		oItem.className = 'collapsed'
	}
	
	function expando(iRow) {		
		if(document.images['rowImg'+iRow].src == btn_close.src) {
			collapse(iRow);
		} else {
			expand(iRow);			
		}
	}
	
	function expandAll() {
		
		if(iExpanded == true){
			i = 0;
			while(i < 20){
				collapse(i);
				i++;
			}			
			iExpanded = false;			
		} else {
			i = 0;
			while(i < 20){
				expand(i);
				i++;
			}
			iExpanded = true;
		}
	}
	
	function expandNum() {
		i = 0;
		while(i < 1){
			expand(i);
			i++;
		}
	}