function swapEvent(booYa) {

	var date = "date"+booYa;
	var tempDate;
	if(document.all) {
		for(s=1; s<32; s++) {
		tempDate = "date" + s;
		if(document.all[tempDate]!=null) {
			document.all[tempDate].style.visibility = "hidden";
			}
		}
		document.all[date].style.visibility = "visible";
		
	} else if(document.getElementById) {
		for(s=1; s<32; s++) {
		tempDate = "date" + s;
		if(document.getElementById(tempDate)!=null) {
			document.getElementById(tempDate).style.visibility = "hidden";
			}
		}
		document.getElementById(date).style.visibility = "visible";
	}	
}
	
			
function swapEventHide(booYa) {
	var date = "date"+booYa;
	var tempDate;
	if(document.all) {
		for(s=1; s<32; s++) {
		tempDate = "date" + s;
		if(document.all[tempDate]!=null) {
			document.all[tempDate].style.visibility = "hidden";
			}
		}
	} else if(document.getElementById) {
		for(s=1; s<32; s++) {
		tempDate = "date" + s;
		if(document.getElementById(tempDate)!=null) {
			document.getElementById(tempDate).style.visibility = "hidden";
			}
		}
	}
}