function Init() {
	ie = document.all ? 1 : 0;
	ns = document.layers ? 1 : 0;
	if (ie) {
		blocks = document.all.tags("DIV");
		for (i=0; i<blocks.length; i++) {
			if (blocks(i).className == "block") blocks(i).style.display = "none";
		}
	}
}
function SHBlock(tname)
{
	ie = document.all ? 1 : 0;
	ns = document.layers ? 1 : 0;
	if (ie && document.all[tname].style.display=='') {
		document.all[tname].style.display='none';
		return;
	}
	if (ie && document.all[tname].style.display=='none') {
		document.all[tname].style.display='';
		return;
	}
}