var preContent = "content1";

function setFirstContent(firstContent){
	preContent = firstContent;
}

function switchContent(showContent){
	if( preContent == "content1" ){
		document.all.item(showContent).style.display = "";
	}else{
		if( preContent != showContent){
			document.all.item(showContent).style.display = "";
			document.all.item(preContent).style.display = "none";
		}
	}
	preContent = showContent;
	
}

var prePoint = "point1";
function setFirstPoint(firstPoint){
	prePoint = firstPoint;
}


function switchPoint(showPoint){
	if( prePoint == "point1" ){
		document.all.item(showPoint).style.display = "";
	}else{
		if( prePoint != showPoint){
			document.all.item(showPoint).style.display = "";
			document.all.item(prePoint).style.display = "none";
		}
	}
	prePoint = showPoint;
}


function openWin(urlStr){
	window.open(urlStr,'','status=yes,toolbar=no,menubar=yes,location=no,resizable=yes,scrollbars=yes');
}