function setClass(obj, cl){
	if (obj.className!=cl) obj.className = cl;
}

function setClassById(objid, cl){
	if (!cl) cl = '';
	document.getElementById(objid).className = cl;
}

function changeDisplayById(objId){
	for (c = 0; c < changeDisplayById.arguments.length; c++){
		obj = document.getElementById(changeDisplayById.arguments[c]);
		if (obj.style.display == 'none') obj.style.display = 'block';
		else obj.style.display = 'none';
	}
}

function gotoURL(url, target, callback){

	if (!url) url = "/";

	if(typeof callback == "function")
		callback(url);

	if(target && target!='_self'){
		popupURL(url, target);
	}
	else{
		if (window.event){
			var src = window.event.srcElement;
			if((src.tagName != 'A') && ((src.tagName != 'IMG') || (src.parentElement.tagName != 'A'))){
				if (window.event.shiftKey) window.open(url);
				else document.location = url;
			}
		} else document.location = url;
	}
}

function showPopup(url){
	win = window.open(url, 'email', 'width=450, height=350, scrollbars=yes, resizable=no, left=0, top=0');
	win.focus();
	return win;

} 

function popupURL(url, target){
	window.open(url, target);
}

function getLeftPos(obj){
	var res = 0;
	while (obj){
		res += obj.offsetLeft;
		obj = obj.offsetParent;
	}
	return res;
}

function getTopPos(obj){
	var res = 0;
	while (obj){
		res += obj.offsetTop;
		obj = obj.offsetParent;
	}
	return res;
}

function chbCheckAll(formObj, checkName, checkVal){
	var el = formObj.elements;
	for (count = 0; count < el.length; count++)
		if (el[count].name == checkName + '[]')
			if (!el[count].disabled) el[count].checked = checkVal;
}

function chbExamAll(formObj, checkName, resName){
	var checkCount = 0;
	var boxCount = 0;
	var el = formObj.elements;
	for (count = 0; count < el.length; count++)
		if (el[count].name == checkName + '[]'){
			boxCount++;
			if (el[count].checked || el[count].disabled) checkCount++;
		}
	formObj.elements[resName].checked = (checkCount == boxCount);
}

function chbIsAllEmpty(formObj, checkName){
	var checkCount = 0;
	var boxCount = 0;
	var el = formObj.elements;
	for (count = 0; count < el.length; count++)
		if (el[count].name == checkName + '[]'){
			boxCount++;
			if (el[count].checked) checkCount++;
		}
	return(checkCount == 0);
}

function chbIsOnlyOne(formObj, checkName){
	var checkCount = 0;
	var boxCount = 0;
	var el = formObj.elements;
	for (count = 0; count < el.length; count++){
		if (el[count].name == checkName + '[]'){
			boxCount++;
			if (el[count].checked) checkCount++;
		}
	}
	return(checkCount == 1);
}

function disableAll(){
	for (c1 = 0; c1 < document.forms.length;  c1++){
		var formElements = document.forms[c1].elements;
		for (c2 = 0; c2 < formElements.length;  c2++) formElements[c2].disabled = true;
	}
}

function blocks_view( block_name, block_img, block_inner, http, images )
{
	document.getElementById('frame_id').src=http+'blocks.php?name='+block_name;
	if(document.getElementById(block_inner).style.display=='none')
	{
		document.getElementById(block_inner).style.display='block';
		document.getElementById(block_img).src=images+'arr_off.gif';
	}
	else
	{
		document.getElementById(block_inner).style.display='none';
		document.getElementById(block_img).src=images+'arr_on.gif';
	}
}

function blocks_view2(lnk, block_id, images )
{
	var bl = lnk.parentNode.parentNode.getElementsByTagName('DIV')[5];
	var bl_mrg = lnk.parentNode.parentNode.getElementsByTagName('DIV')[4];
	var img = lnk.parentNode.getElementsByTagName('img')[0];

	var exp = new Date();
	var oneMonthFromNow = exp.getTime() + (30*24*60*60*1000);
	exp.setTime (oneMonthFromNow);


	if(bl.style.display=='none')
	{
		bl.style.display='block';
		if(block_id)setCookie(block_id,'block',exp,"/");
		img.src=images+'arr_block.gif';
	}
	else
	{
		bl.style.display='none';
		if(block_id)setCookie(block_id,'none',exp,"/");
		img.src=images+'arr_none.gif';
	}
	bl_mrg.style.display = bl.style.display;
}


// name - cookie name
// value - cookie value
// [expires] - Date object (by default cookie expires at the end of browser session)
// [path]
// [domain]
// [secure]
function setCookie(name, value, expires, path, domain, secure)
{
	var curCookie = name + "=" + escape(value) +
                ((expires) ? "; expires=" + expires.toGMTString() : "") +
                ((path) ? "; path=" + path : "") +
                ((domain) ? "; domain=" + domain : "") +
                ((secure) ? "; secure" : "")

	if ( (name + "=" + escape(value)).length <= 4000)
		document.cookie = curCookie
}

// name - cookie name
function getCookie(name)
{
        var prefix = name + "="
        var cookieStartIndex = document.cookie.indexOf(prefix)
        if (cookieStartIndex == -1)
                return null
        var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length)
        if (cookieEndIndex == -1)
                cookieEndIndex = document.cookie.length
        return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex))
}

// name - cookie name
// [path]
// [domain]
function deleteCookie(name, path, domain)
{
	if (getCookie(name))
	{
		document.cookie = name+"="+
                ((path) ? "; path=" + path : "") +
                ((domain) ? "; domain=" + domain : "") +
                "; expires=Thu, 01-Jan-70 00:00:01 GMT"
	}
}

function onMenuClick(url)
{
	var exp = new Date();
	var oneMonthFromNow = exp.getTime() + (30*24*60*60*1000);
	exp.setTime (oneMonthFromNow);
	setCookie('menuclick',(url||1),exp,"/");
}

//Small image functions
function image_show(this_obj,id,cl) {
	obj = document.getElementById(id);
	if (obj.className!=cl) obj.className = cl;
}
function image_hide(this_obj,id,cl) {
	obj = document.getElementById(id);
	if (obj.className!=cl) obj.className = cl;
}

function set_img_pos (formObj, checkName) {
	var el = document.forms[formObj].elements;
	for (count = 0; count < el.length; count++)
		if (el[count].name == checkName + '[]'){
			if (document.getElementById('sm_'+el[count].value)) {
				left = getLeftPos(document.getElementById('sm_'+el[count].value));
				left+=19;
				top = getTopPos(document.getElementById('sm_'+el[count].value));
				document.getElementById('b_'+el[count].value).style.left 	= left+'px';
				document.getElementById('b_'+el[count].value).style.top 	= top+'px';
			}
		}
}

function preLoad() {
	if(document.images)  {
		var argLen = arguments.length;
		for(var i = 0; i < argLen; i++) {
			var arg = arguments[i];
			self[arg] = new Image();
			self[arg].src = arg;
		}
	}
}

function ch_img(obj, img) {
	if (self[img])
		obj.src = self[img].src;
	
	var left 		= (obj.id - 1);
	var right 		= obj.id;
	
	
	if ( document.getElementById( 'sep_'+left ) ) {
		if ( document.getElementById( 'sep_'+left ).className=='sp_sh' )
			document.getElementById( 'sep_'+left ).className = 'sp_hd';
		else
			document.getElementById( 'sep_'+left ).className = 'sp_sh';
	}
	
	if ( document.getElementById( 'sep_'+right ) ) {
		if ( document.getElementById( 'sep_'+right ).className=='sp_sh' )
			document.getElementById( 'sep_'+right ).className = 'sp_hd';
		else
			document.getElementById( 'sep_'+right ).className = 'sp_sh';
	}
	
}

function add_to_fav(sitename, pagetitle) {
	var ua=navigator.userAgent.toLowerCase(sitename, pagetitle);
	if ((ua.indexOf("msie")!=-1) && (ua.indexOf("opera")==-1) && (ua.indexOf("webtv")==-1))
	window.external.addFavorite(window.location.href, sitename+' - '+pagetitle);
	else alert("Press Ctrl+D to add site in favorites");
}