/** Nahrani **/
var headID = document.getElementsByTagName("head")[0];

function loadFile(FileName) {

	var thisext = FileName.substr(FileName.lastIndexOf('.'));
	
	if(thisext == ".js") {

		var newScript = document.createElement('script');
		newScript.type = 'text/javascript';	
		newScript.src = FileName;
		headID.appendChild(newScript);			
		
	}
	else if(thisext == ".css") {
	
		var cssNode = document.createElement('link');
		cssNode.type = 'text/css';
		cssNode.rel = 'stylesheet';
		cssNode.href = FileName;
		cssNode.media = 'screen';
		headID.appendChild(cssNode);		
				
	}	
}

/* vrati true pokud je MSIE 7.0*/
function IsMSIE7(){
    return ( IsMSIE() && navigator.appVersion.indexOf("MSIE 7.0;") >=0 );
}

// vrati true pokud je MSIE 6 nebo starsi
function IsMSIE6older(){  
    return ( IsMSIE() && (navigator.appVersion.indexOf("MSIE 6.0;") >= 0 || navigator.appVersion.indexOf("MSIE 5.5;") >= 0 ));
}

// vrati true pokud je IE
function IsMSIE(){
    return  navigator.appName === "Microsoft Internet Explorer";
}

function CreateBookmarkLink(title,url,ErrorText) { 
	
	if (window.sidebar) { 
	 	// Mozilla Firefox Bookmark		
		window.sidebar.addPanel(title, url,"");	
	} 
	else if( window.external ) { 
		// IE Favorite		
		window.external.AddFavorite( url, title); 
	}	
	else if(window.opera && window.print) { 
		alert(ErrorText);	 
	} 
}

function XBrowserAddHandler(target,eventName,handlerName) 
{ 
	if ( target.addEventListener ) 
		target.addEventListener(eventName, handlerName, false); 
	else if ( target.attachEvent ) 
		target.attachEvent("on" + eventName, handlerName); 
	else 
		target["on" + eventName] = handlerName; 
} 

/** Otevreni noveho okna **/
function noveOkno(url,delka,vyska,id)
{
	if(!delka) delka = 850;
	if(!vyska) vyska = 500;
	
	var screenW = 640, screenH = 480;
	if (parseInt(navigator.appVersion)>3) {
	 screenW = screen.width;
	 screenH = screen.height;
	}
	else if (navigator.appName == "Netscape" && parseInt(navigator.appVersion)==3 && navigator.javaEnabled()) 
	{
	 var jToolkit = java.awt.Toolkit.getDefaultToolkit();
	 var jScreenSize = jToolkit.getScreenSize();
	 screenW = jScreenSize.width;
	 screenH = jScreenSize.height;
	}

	var levy = (screenW - delka)/2;
	var horni = (screenH - vyska)/2;
	
	var bars = "toolbar=0,resizable=1,scrollbars=1";
	
	if(id == 1)
	{
		bars = "toolbar=1,resizable=1,scrollbars=1";
	}
	
	myRef = window.open(url,'mywin','left='+levy+',top='+horni+',width='+delka+',height='+vyska+','+bars);	
	//window.open(id);
}

function checkField(type,data) {
	
}