function checkform(myform){
	if (myform.surname.value.length<3 || myform.street.value.length<3 || 
		myform.city.value.length<3 || myform.zip.value.length<5 || myform.phone.value.length<5 || myform.date.value.length<5) {
		alert('Vyplňte všechny potřebné údaje!!');
		return false;
	}
	else
	openWin();
}




/////No further editting needed
var menu1=new Array()
		menu1[0]='<a href="section.php?op=outsidetram" class="mymenu1"><img src="img/menuitem11.gif" alt="tramvaje" id="menuitem11" onmouseover="Replace(this);" onmouseout="Restore(this);" /></a>'
		menu1[1]='<a href="section.php?op=outsidetrolley" class="mymenu2"><img src="img/menuitem12.gif" alt="trolejbusy" id="menuitem12" onmouseover="Replace(this);" onmouseout="Restore(this);" /></a>'
		menu1[2]='<a href="section.php?op=outsidebus1" class="mymenu3"><img src="img/menuitem13.gif" alt="autobusy 1" id="menuitem13" onmouseover="Replace(this);" onmouseout="Restore(this);" /></a>'
		menu1[3]='<a href="section.php?op=outsidebus2" class="mymenu4"><img src="img/menuitem14.gif" alt="autobusy 2" id="menuitem14" onmouseover="Replace(this);" onmouseout="Restore(this);" /></a>'
		menu1[4]='<a href="section.php?op=outsidecond" class="mymenu5"><img src="img/menuitem16.gif" alt="obchodní podmínky" id="menuitem16" onmouseover="Replace(this);" onmouseout="Restore(this);" /></a>'
		menu1[5]='<a href="pricelist.php" class="mymenu6"><img src="img/menuitem15.gif" alt="kalkulátor cen" id="menuitem15" onmouseover="Replace(this);" onmouseout="Restore(this);" /></a>'

		//Contents for menu 2, and so on
		var menu2=new Array()
		menu2[0]='<a href="section.php?op=inside" class="mymenu12"><img src="img/menuitem21.gif" alt="reklamní letáky" id="menuitem21" onmouseover="Replace(this);"  onmouseout="Restore(this);" /></a>'
		menu2[1]='<a href="section.php?op=ticket" class="mymenu24"><img src="img/menuitem24.gif" alt="reklamní jízdenka" id="menuitem24" onmouseover="Replace(this);"  onmouseout="Restore(this);" /></a>'
		menu2[2]='<a href="section.php?op=insidecond" class="mymenu22"><img src="img/menuitem23.gif" alt="obchodní podmínky" id="menuitem23" onmouseover="Replace(this);"  onmouseout="Restore(this);" /></a>'
		menu2[3]='<a href="pricelist.php" class="mymenu23"><img src="img/menuitem22.gif" alt="kalkulátor cen" id="menuitem22" onmouseover="Replace(this);"  onmouseout="Restore(this);" /></a>'
	

		var menu3=new Array()
		menu3[0]='<a href="section.php?op=tv" class="mymenu31"><img src="img/menuitem31.gif" alt="STV" id="menuitem31" onmouseover="Replace(this);"  onmouseout="Restore(this);" /></a>'
		menu3[1]='<a href="section.php?op=tvvert" class="mymenu31"><img src="img/menuitem32.gif" alt="STV vertikální" id="menuitem32" onmouseover="Replace(this);"  onmouseout="Restore(this);" /></a>'
		
		var menu4=new Array()
		menu4[0]='<a href="section.php?op=adv" class="mymenu41"><img src="img/menuitem41.gif" alt="Měření účinnosti" id="menuitem41" onmouseover="Replace(this);"  onmouseout="Restore(this);" /></a>'
		menu4[1]='<a href="section.php?op=adv2" class="mymenu41"><img src="img/menuitem42.gif" alt="Jak otevřít kampaň" id="menuitem42" onmouseover="Replace(this);"  onmouseout="Restore(this);" /></a>'

		var menuwidth='600px' //default menu width
		var menubgcolor='white'  //menu bgcolor
		var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
		var hidemenu_onclick="yes" //hide menu when user clicks within menu?
		
		
		
var ie4=document.all
var ns6=document.getElementById&&!document.all

if (ie4||ns6)
document.write('<div id="dropmenudiv" style="border:0px;visibility:hidden;width:'+menuwidth+';" onMouseover="clearhidemenu()" onMouseout="dynamichide(event)"></div>')

function getposOffset(what, offsettype){
var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
var parentEl=what.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}


function showhide(obj, e, visible, hidden, menuwidth){
if (ie4||ns6)
dropmenuobj.style.left=dropmenuobj.style.top=-500
if (menuwidth!=""){
dropmenuobj.widthobj=dropmenuobj.style
dropmenuobj.widthobj.width=menuwidth
}
if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
obj.visibility=visible
else if (e.type=="click")
obj.visibility=hidden
}

function iecompattest(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge){
var edgeoffset=0
if (whichedge=="rightedge"){
var windowedge=ie4 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
}
else{
var windowedge=ie4 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure)
edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
}
return edgeoffset
}

function populatemenu(what){
if (ie4||ns6)
dropmenuobj.innerHTML=what.join("")
}


function dropdownmenu(obj, e, menucontents, menuwidth, top, left){
if (window.event) event.cancelBubble=true
else if (e.stopPropagation) e.stopPropagation()
clearhidemenu()
dropmenuobj=document.getElementById? document.getElementById("dropmenudiv") : dropmenudiv
populatemenu(menucontents)

if (ie4||ns6){
showhide(dropmenuobj.style, e, "visible", "hidden", menuwidth)
dropmenuobj.x=getposOffset(obj, "left")
dropmenuobj.y=getposOffset(obj, "top")
dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+left+"px"
dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+top+"px"
}

return clickreturnvalue()
}

function clickreturnvalue(){
if (ie4||ns6) return false
else return true
}

function contains_ns6(a, b) {
while (b.parentNode)
if ((b = b.parentNode) == a)
return true;
return false;
}

function dynamichide(e){
if (ie4&&!dropmenuobj.contains(e.toElement))
delayhidemenu()
else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
delayhidemenu()
}

function hidemenu(e){
if (typeof dropmenuobj!="undefined"){
if (ie4||ns6)
dropmenuobj.style.visibility="hidden"
}
}

function delayhidemenu(){
if (ie4||ns6)
delayhide=setTimeout("hidemenu()",disappeardelay)
}

function clearhidemenu(){
if (typeof delayhide!="undefined")
clearTimeout(delayhide)
}

if (hidemenu_onclick=="yes")
document.onclick=hidemenu