function showOpt() {
	option = document.getElementById("dates");
	option.style.display = 'block';
}
function hideOpt() {
	option = document.getElementById("dates");
	option.style.display = 'none';
}
function getE(id)
{
		return document.getElementById(id);
}
function openClose(id,mode)
{
	element = getE(id);
	
	if(element.style) {
		if(mode == 0) {
			if(element.style.display == 'block' ) {
				element.style.display = 'none';

			} else {
				element.style.display = 'block';

			}
		} else if(mode == 1) {
			element.style.display = 'block';

				
		} else if(mode == -1) {
			element.style.display = 'none';

		}
	}

}