function popup1_o() {
		document.getElementById('popup1').style.display='block'
		document.getElementById('link1').style.display='none'
		}
function popup1_c() {
		document.getElementById('popup1').style.display='none'
		document.getElementById('link1').style.display='inline'
		}
function popup2_o() {
		document.getElementById('popup2').style.display='block'
		document.getElementById('link2').style.display='none'
		}
function popup2_c() {
		document.getElementById('popup2').style.display='none'
		document.getElementById('link2').style.display='inline'
		}