/*
Clear the default value of a form on click
*/
function clearDefault(element)
{
	if (element.defaultValue==element.value) element.value = ""
	// If Dynamic Style is supported, clear the style
	if (element.style) element.style.cssText = ""
}

/*
Table row rollOver / rollOut class change
*/
function rollOVer(obj)
{
	obj.className = obj.className = 'tr_style_over';
}

function rollOut(obj,clsOld)
{
	obj.className = obj.className = clsOld;
}


function ShowHide(elementId)
{
	var element = document.getElementById(elementId);
	if(element.style.display = "none")
	{
		element.style.display = "block";
	}
	else if(element.style.display = "block")
	{
		element.style.display = "none";
	}
	else{
		element.style.display = "block";
	}
}