function openwin(page, w, h) {
	sw=screen.availWidth/2-w/2;
	sh=screen.availHeight/2-h/2;
	window.open(page,'win','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=1,width=400,height=400,top='+sh+',screenY='+sh+',left='+sw+',screenX'+sw);
}
function openwin03(page, w, h) {
	sw=screen.availWidth/2-w/2;
	sh=screen.availHeight/2-h/2;
	window.open(page,'win','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=517,height=800,top='+sh+',screenY='+sh+',left='+sw+',screenX'+sw);
}
function openwin05(page, w, h) {
	sw=screen.availWidth/2-w/2;
	sh=screen.availHeight/2-h/2;
	window.open(page,'win','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=517,height=780,top='+sh+',screenY='+sh+',left='+sw+',screenX'+sw);
}
function openwin06(page, w, h) {
	sw=screen.availWidth/2-w/2;
	sh=screen.availHeight/2-h/2;
	window.open(page,'win','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=1,width=560,height=340,top='+sh+',screenY='+sh+',left='+sw+',screenX'+sw);
}
function openwin07(page, w, h) {
	sw=screen.availWidth/2-w/2;
	sh=screen.availHeight/2-h/2;
	window.open(page,'win','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=560,height=580,top='+sh+',screenY='+sh+',left='+sw+',screenX'+sw);
}
function openwin08(page, w, h) {
	sw=screen.availWidth/2-w/2;
	sh=screen.availHeight/2-h/2;
	window.open(page,'win','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=976,height=900,top='+sh+',screenY='+sh+',left='+sw+',screenX'+sw);
}








function openwin02(page, w, h) {
	sw=screen.availWidth/2-w/2;
	sh=screen.availHeight/2-h/2;
	window.open(page,'win','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=1,width=280,height=150,top='+sh+',screenY='+sh+',left='+sw+',screenX'+sw);
}
function openwin04(page, w, h) {
	sw=screen.availWidth/2-w/2;
	sh=screen.availHeight/2-h/2;
	window.open(page,'win','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,width=610,height=400,top='+sh+',screenY='+sh+',left='+sw+',screenX'+sw);
}