var sI_imagestate = new Array();
var sI_fileprefix;
sI_fileprefix = "/design/tw_";


function switchImage(name, image) {
	if (sI_imagestate[name] == 'over') {
		document[name].src = sI_fileprefix + image + '.jpg';
		sI_imagestate[name] = '';
	} else {
		document[name].src = sI_fileprefix + 'over_' + image + '.jpg';
		sI_imagestate[name] = 'over';
	}
}

function visibleInvisible(element) {
	if (document.getElementById(element).style.visibility != 'visible') {
		document.getElementById(element).style.visibility = 'visible';
		document.getElementById(element).style.display = 'block';
	} else {
		document.getElementById(element).style.visibility = 'hidden';
		document.getElementById(element).style.display = 'none';
	}
}

function visibleInvisibleRow(element) {
	if (document.getElementById(element).style.visibility != 'visible') {
		document.getElementById(element).style.visibility = 'visible';
		document.getElementById(element).style.display = 'table-row';
	} else {
		document.getElementById(element).style.visibility = 'hidden';
		document.getElementById(element).style.display = 'none';
	}
}