var tgs = new Array( 'cikkszoveg');
var szs = new Array( 'xx-small','x-small','small','medium','large','x-large','xx-large' );
var startSz = 2;


function extractNumber(obj, decimalPlaces, allowNegative)
{
	var temp = obj.value;
	
	// avoid changing things if already formatted correctly
	var reg0Str = '[0-9]*';
	if (decimalPlaces > 0) {
		reg0Str += '\\.?[0-9]{0,' + decimalPlaces + '}';
	} else if (decimalPlaces < 0) {
		reg0Str += '\\.?[0-9]*';
	}
	reg0Str = allowNegative ? '^-?' + reg0Str : '^' + reg0Str;
	reg0Str = reg0Str + '$';
	var reg0 = new RegExp(reg0Str);
	if (reg0.test(temp)) return true;

	// first replace all non numbers
	var reg1Str = '[^0-9' + (decimalPlaces != 0 ? '.' : '') + (allowNegative ? '-' : '') + ']';
	var reg1 = new RegExp(reg1Str, 'g');
	temp = temp.replace(reg1, '');

	if (allowNegative) {
		// replace extra negative
		var hasNegative = temp.length > 0 && temp.charAt(0) == '-';
		var reg2 = /-/g;
		temp = temp.replace(reg2, '');
		if (hasNegative) temp = '-' + temp;
	}
	
	if (decimalPlaces != 0) {
		var reg3 = /\./g;
		var reg3Array = reg3.exec(temp);
		if (reg3Array != null) {
			// keep only first occurrence of .
			//  and the number of places specified by decimalPlaces or the entire string if decimalPlaces < 0
			var reg3Right = temp.substring(reg3Array.index + reg3Array[0].length);
			reg3Right = reg3Right.replace(reg3, '');
			reg3Right = decimalPlaces > 0 ? reg3Right.substring(0, decimalPlaces) : reg3Right;
			temp = temp.substring(0,reg3Array.index) + '.' + reg3Right;
		}
	}
	
	obj.value = temp;
}
function blockNonNumbers(obj, e, allowDecimal, allowNegative)
{
	var key;
	var isCtrl = false;
	var keychar;
	var reg;
		
	if(window.event) {
		key = e.keyCode;
		isCtrl = window.event.ctrlKey
	}
	else if(e.which) {
		key = e.which;
		isCtrl = e.ctrlKey;
	}
	
	if (isNaN(key)) return true;
	
	keychar = String.fromCharCode(key);
	
	// check for backspace or delete, or if Ctrl was pressed
	if (key == 8 || isCtrl)
	{
		return true;
	}

	reg = /\d/;
	var isFirstN = allowNegative ? keychar == '-' && obj.value.indexOf('-') == -1 : false;
	var isFirstD = allowDecimal ? keychar == '.' && obj.value.indexOf('.') == -1 : false;
	
	return isFirstN || isFirstD || reg.test(keychar);
}




function zoomtext( trgt,inc ) {
	if (!document.getElementById) return
	var d = document,cEl = null,sz = startSz,i,j,cTags;
	
	sz += inc;
	if ( sz < 0 ) sz = 0;
	if ( sz > 6 ) sz = 6;
	startSz = sz;
		
	if ( !( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ];

	cEl.style.fontSize = szs[ sz ];

	for ( i = 0 ; i < tgs.length ; i++ ) {
		cTags = cEl.getElementsByTagName( tgs[ i ] );
		for ( j = 0 ; j < cTags.length ; j++ ) cTags[ j ].style.fontSize = szs[ sz ];
	}
}

function emoticon(theSmilie) {
	if (document.REPLIER.Post.caretPos && document.REPLIER.Post.createTextRange) {
		var caretPos = document.REPLIER.text.caretPos;
		caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? theSmilie + ' ' : theSmilie;
	} else {
    	document.REPLIER.Post.value += ' ' + theSmilie + ' ';
    }
    
    document.REPLIER.Post.focus();
}

function change_photo(url, width, height){
	parent.document.images['main_photo'].src= url;
	parent.document.images['main_photo'].style.height= height;
	parent.document.images['main_photo'].style.width = width;
}





function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}







var chopen;
function layer_option(opt,l_name,pozit)
{


// a kozepso a layer az utolso a menugomb
var Layername=document.getElementById(l_name);//layer
var newlayer=document.getElementById(pozit);// menugomb
	newlayer.style.position="relative";

var maindiv=Layername.offsetParent;
for(i=0;i<=100;i++)
	{
	var obj=document.getElementById("La_"+i);
		if (obj && obj.id!=l_name)
		{
		obj.style.visibility="hidden";
		}
	}


var P_left=Layername.offsetLeft;
var P_top=Layername.offsetTop;
var L_left=newlayer.offsetLeft;
var L_top=newlayer.offsetTop;
var L_height=newlayer.offsetHeight;

if (opt=="block")
	{
	if (chopen)
	{
	clearInterval(chopen);
	chk=false;
	}
	Layername.style.display="block";
	Layername.style.top=(L_top+L_height)+"px";
	Layername.style.left=L_left+"px";
	Layername.style['z-index']='500';
	Layername.style.visibility="visible";
	}
	else
	{
	st(l_name);
	}
}
function st(l_name)
{
chopen=setInterval("checkopen('"+l_name+"')",1000);
var chk=true;
}


function checkopen(l_name)
{
if (l_name)
	{
	var Layername=document.getElementById(l_name);//layer
	Layername.style.visibility="hidden";
	}
}

function addBookmark(title,url)
{
if (window.sidebar)
{ 
window.sidebar.addPanel(title, url,""); 
}
else if( document.all )
{
window.external.AddFavorite(url, title);
}
else if( window.opera && window.print )
{
return true;
}
}