d=document;l=(d.layers)?1:0;op=navigator.userAgent.toLowerCase().indexOf('opera')!=-1;ie=(d.all)?1:0;
function gE(e,f){if(l){f=(f)?f:self;var V=f.document.layers;if(V[e])return V[e];for(var W=0;W<V.length;)t=gE(e,V[W++]);return t;}if(d.all)return d.all[e];return d.getElementById(e);}

function sE(e){if(l)e.visibility='show';else e.style.display='block';return false;}
function siE(e){if(l)e.visibility='show';else e.style.display='inline';return false;}
function hE(e){if(l)e.visibility='hide';else e.style.display='none';return false;}


function saveCookie(name,value,days) {
	if (days) {
		var date=new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000))
		var expires="; expires="+date.toGMTString()
	} else expires=""
	document.cookie=name+"="+value+expires+"; path=/"
}

function readCookie(name) {
	var nameEQ=name+"="
	var ca=document.cookie.split(';')
	for(var i=0;i<ca.length;i++) {
		var c=ca[i];
		while (c.charAt(0)==' ') c=c.substring(1,c.length)
		if (c.indexOf(nameEQ)==0) return c.substring(nameEQ.length,c.length)
	}
	return null
}

function setdatetoday(){
var d = new Date()
year=d.getFullYear()+'';
month=(d.getMonth() + 1);
if (month<10)month="0"+month;
date=d.getDate();
if (date<10)date="0"+date;
hours=d.getHours();
if (hours<10)hours="0"+hours;
minutes=d.getMinutes();
if (minutes<10)minutes="0"+minutes;



document.zed.in_date.value=year+'-'+month+'-'+date+' '+hours+':'+minutes+':00';
}


function toNewWindow(URL,w,h,t,l,n)
{
	
window.open(URL,n,"toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, width="+w+", height="+h+", left="+l+", top="+t+"");	
}

var popup=null;
function image_popup(myimage,w,h,title)
{
html = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\"" +
		"\"http://www.w3.org/TR/html4/loose.dtd\">" +
 		"<HTML><HEAD><TITLE>" + title + " - ZŠ Tulipán</TITLE>" +
		"<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">" +
		"</HEAD><BODY style=\"margin:0px;padding:0px;\">" +
		"<div class=\"image\" style=\"width:"+w+"px; height:"+h+"px;\"><img src='" + myimage + "' width='"+w+"' height='"+h+"' border='0' onclick=\"javascript:window.close()\" onmouseover=\"this.style.cursor='pointer';\">" +
		"</div></BODY></HTML>";
		
		 LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
		 TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
		 //h = 30;
		// w = 30;
		 settings ='height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars=no,noresizable';
		 
		 if(popup)
		 	var popupold = popup;
		 //open new popup
		 popup=window.open('','_blank',settings);
		 popup.document.open();
		 popup.document.write(html);
		 popup.focus();
		 popup.document.close();
		 
		 if(popupold)
		 	popupold.close();
		 
		 return false;
}

function Validate_prihlaska() {
	var form = document.getElementById('form_prihlaska');
	var status = document.getElementById('status');
	var result = true;
	var message = '';
	
	if(!(emailcheck(form.email.value))) {message='Pole "email" neobsahuje emailovu adresu !'; result=false;}
	if(form.meno.value.length < 2) {message='Polia označené * musia byť vyplnené !'; result=false;}
	if(form.priezvisko.value.length < 2) {message='Polia označené * musia byť vyplnené !<'; result=false;}
	if(form.tel_kontakt.value.length < 2) {message='Polia označené * musia byť vyplnené !'; result=false;}
	
	if(!result) status.innerHTML=message+'<br>';
	return result;
}

function emailcheck(str) {
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1){ return false}
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   return false
	}
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
	    return false
	}
	if (str.indexOf(at,(lat+1))!=-1){
	   return false
	}
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
	   return false
	}
	if (str.indexOf(dot,(lat+2))==-1){
	   return false
	}	
	if (str.indexOf(" ")!=-1){
    	return false
	}
	return true					
}
