function popupInCenter(width,height,url) {
	var w = (screen.width-12);
	var h = (screen.height-55);
	var x = (w-width)/2;
	var y = (h-height)/2;

	//return window.open(url,'_win','status=no,menubar=no,width='+width+',height='+height+',left='+x+',top='+y);
	window.open(url,'_win','status=no,menubar=no,width='+width+',height='+height+',left='+x+',top='+y);
}
function popupInCenter2(width,height,url) {
	var w = (screen.width-12);
	var h = (screen.height-55);
	var x = (w-width)/2;
	var y = (h-height)/2;

	return window.open(url,'_win','status=no,menubar=no,scrollbars=yes,resizable=yes,width='+width+',height='+height+',left='+x+',top='+y);
}
function movepic(img_name,img_src) {
	document[img_name].src=img_src;
}
function showTab1() {
	var isHide = document.getElementById("tab1a").style.display;
	if (isHide=='none') {
		document.getElementById("tab1a").style.display='';
		document.getElementById("tab1b").style.display='';
		document.getElementById("tab1c").style.display='';
	}
	else {
		document.getElementById("tab1a").style.display='none';
		document.getElementById("tab1b").style.display='none';
		document.getElementById("tab1c").style.display='none';
	}
}
function showTab2() {
	var isHide = document.getElementById("tab2a").style.display;
	if (isHide=='none') {
		document.getElementById("tab2a").style.display='';
		document.getElementById("tab2b").style.display='';
	}
	else {
		document.getElementById("tab2a").style.display='none';
		document.getElementById("tab2b").style.display='none';
	}
}
function showTab3() {
	var isHide = document.getElementById("tab3a").style.display;
	if (isHide=='none') {
		document.getElementById("tab3a").style.display='';
		document.getElementById("tab3b").style.display='';
	}
	else {
		document.getElementById("tab3a").style.display='none';
		document.getElementById("tab3b").style.display='none';
	}
}
function showTab4() {
	var isHide = document.getElementById("tab4a").style.display;
	if (isHide=='none') {
		document.getElementById("tab4a").style.display='';
		document.getElementById("tab4b").style.display='';
		document.getElementById("tab4c").style.display='';
	}
	else {
		document.getElementById("tab4a").style.display='none';
		document.getElementById("tab4b").style.display='none';
		document.getElementById("tab4c").style.display='none';
	}
}
function showTab5() {
	var isHide = document.getElementById("tab5a").style.display;
	if (isHide=='none') {
		document.getElementById("tab5a").style.display='';
		document.getElementById("tab5b").style.display='';
	}
	else {
		document.getElementById("tab5a").style.display='none';
		document.getElementById("tab5b").style.display='none';
	}
}