function showHideDiv(divnum,numdivs){
	var showThisOne;
	showThisOne = 'div' + divnum;	
	for (i = 1; i<=numdivs; i++){
		//alert('div'+i);
		document.getElementById('div'+i).style.display = 'none';
		//alert('done');
	}
	//alert("show" + showThisOne);
	document.getElementById(showThisOne).style.display = '';
}
function hideAll(numdivs){
	for (i = 1; i<(numdivs+1); i++){
		//alert('div'+i);	
		document.getElementById('div'+i).style.display = 'none'
	}
}