function toggleDisplay(tbl,image) {
	var tblRows = tbl.rows;
	for (i = 0; i < tblRows.length; i++) {
		if (tblRows[i].className != "headerRow") {
			if(tblRows[i].style.display == "none"){
				tblRows[i].style.display = "";
				
			}
			else{
				tblRows[i].style.display = "none";
			}
		}
	}
	swapImage(image);
}

function swapImage(image){
	if(image.src.match("minus")){
		image.src = 'images/plus.png';
	}
	else{
		image.src = 'images/minus.png';
	}
}



function setCursor(obj){
	obj.style.cursor='pointer';
}