var ns4 = (navigator.appName == 'Netscape' && parseInt(navigator.appVersion) == 4)
var ns6 = (document.getElementById)? true : false
var ie4 = (document.all)? true : false
var ie5 = false, posX, posY
if(ie4) {
var docRoot = 'document.body'
if((navigator.userAgent.indexOf('MSIE 5') > 0) || (navigator.userAgent.indexOf('MSIE 6') > 0)) {
if(document.compatMode && document.compatMode == 'CSS1Compat') {
docRoot = 'document.documentElement'
}
ie5 = true
}
if(ns6) ns6 = false
}
function zoom(image, width, height) {
var vyska0 = 100
var sirka0 = 100
var imgWindow = window.open('','zoom' + (new Date().getTime()),'menubar=no,scrollbars=no,resizeable=no,width=' + vyska0 + ',height=' + sirka0 + ',top=2000,left=2000')
imgWindow.focus()
imgWindow.moveTo(Math.round((screen.width - sirka0) / 2), Math.round((screen.height - vyska0) / 2))
var step = 20
var vyska = vyska0
var sirka = sirka0
var dvyska = Math.round((height - vyska0) / step)
var dsirka = Math.round((width - sirka0) / step)
for(var i = 0; step > i; i++) {
if(height > vyska) {
imgWindow.resizeBy(0, dvyska)
imgWindow.moveBy(0, -Math.floor(dvyska / 2))
}
if(width > sirka) {
imgWindow.resizeBy(dsirka, 0)
imgWindow.moveBy(-Math.floor(dsirka / 2), 0)
}
vyska += dvyska
sirka += dsirka
}
imgWindow.resizeBy(width - sirka, height - vyska)
with(imgWindow.document) {
clear()
open()
write('', document.title, '')
write('')
write('')
write('')
close()
}
imgWindow.focus()
}