function open_open(id)
	{
	var obj=document.getElementById(id);

	if (obj.style.display=='none')
		{	
		obj.style.display='';
		}
	else
		{
		obj.style.display='none';
		}
	}

function changeCategoryState(id) {
	var ul = document.getElementById(id);
	if( !ul.style.display ) {
		if(ul.className == 'inactive') {
			ul.style.display = 'none';
			ul.style.visibility = 'hidden';
		} else {
			ul.style.display = 'block';
			ul.style.visibility = 'visible';
		}
	}
	if(ul) {
		if(ul.style.display == 'none' || ul.style.visibility == 'hidden') {
			ul.style.display = 'block';
			ul.style.visibility = 'visible';
		} else {
			ul.style.display = 'none';
			ul.style.visibility = 'hidden';
		}
	}
}

function showImage(id, width, height) {
	height = screen.availHeight > height ? height : screen.availHeight;
	width = screen.availWidth > width ? width : screen.availWidth;
	url = '/images/image/' + id;
	window.open(url, '_blank', 'height=' + height + ',width=' + width + ',directories=no,menubar=no,toolbar=no,scrollbars=yes,resizable=yes,top=0,left=0');
	return false;
}