/*function expandCollapse (elem) {
    if (document.getElementById(elem)) {
        ecBlock = document.getElementById(elem);
        if (ecBlock != undefined && ecBlock != null) {
            if (ecBlock.currentStyle.display == "none" || ecBlock.currentStyle.display == null || ecBlock.currentStyle.display == "") {
                ecBlock.style.display = "block";
            } else if (ecBlock.currentStyle.display == "block") {
                ecBlock.style.display = "none";
            } else {
                ecBlock.style.display = "block";
            }
        }
    }
} */

function expandCollapse (obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != "none" ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}