var imgNum = 0;

function getImgNum() {
	return imgNum;
}

function openPopup(id) {
	window.open('../content/popup.html', null,'width=600, height=450, name=_blank, status=no, toolbar=no, scrollbars=no, menubar=no, location=no');
	imgNum = id;
}

function openPopup2(id) {
	window.open('../content/popup_2.html', null,'width=450, height=600, name=_blank, status=no, toolbar=no, scrollbars=no, menubar=no, location=no');
	imgNum = id;
}

function openPopup3(id) {
	window.open('../content/popup_3.html', null,'width=800, height=600, name=_blank, status=no, toolbar=no, scrollbars=no, menubar=no, location=no');
	imgNum = id;
}

function openPopup4(id) {
	window.open('../content/popup_4.html', null,'width=699, height=991, name=_blank, status=no, toolbar=no, scrollbars=no, menubar=no, location=no');
	imgNum = id;
}