function showTooltip(name, e) {
	var elem = $(name + 'Tooltip');
	elem.style.visibility = 'visible';

	if(e.clientX > screen.width) {
		elem.style.left = screen.width + 'px';
	} else {
		elem.style.left = e.clientX + 20 + 'px';
	}

	elem.style.top = e.clientY + 'px';
}
function hideTooltip(name) {
	$(name + 'Tooltip').style.visibility = 'hidden';
}

function checkNewPageForm(f) {
	var error = '';

	with(f) {
		if(isEmpty(page_name)) {
			error += "Niste vnesli ime spletne strani!\n";
		}

		if(isEmpty(page_title)) {
			error += "Niste vnesli naslov (title) spletne strani!\n";
		}
	}

	if(error != '') {
		alert("Opozorilo:\n\n" + error);
		return false;
	}

	return true;
}
function getWindowHeight() {
	var windowHeight = 0;
	if (typeof(window.innerHeight) == 'number') {
		windowHeight = window.innerHeight;
	}
	else {
		if (document.documentElement && document.documentElement.clientHeight) {
			windowHeight = document.documentElement.clientHeight;
		}
		else {
			if (document.body && document.body.clientHeight) {
				windowHeight = document.body.clientHeight;
			}
		}
	}
	return windowHeight;
}
function checkAnketa(f) {
	var check = false;
	var len = f.answer_id.length;

	for(var i = 0; i < len; i++)
		if(f.answer_id[i].checked == true)
   			check = true;

	if(!check) {
		alert("Niste izbrali odgovora!");
		return false;
	}

	return true;
}
function redirect(url) {
	location.href = url;
}

function popUp(url, width, height, top, left) {
	OpenWindow(url, width, height, top, left);
}

function customWindow(url) {
	OpenWindow(url, 960, 700, 0, 0);
}

function AjaxGetter(url) {
	$('loaderDiv').style.visibility = 'visible';
	$('loaderDiv').innerHTML = "<div class='loader_div'><img src='images/ajax-loader.gif' align='absmiddle'></div>";
	new Ajax.Request(url, {asynchronous:true, method: 'get', onSuccess:handlerFunc});

}
function makeBackup(url){
	$('backupdiv').innerHTML = '<img src="../images/ajax-loader.gif" style="position:absolute; margin-top:-10px;">';
	new Ajax.Request(url, {asynchronous: true, method: 'post', parameters:'', onSuccess:handlerFunc2, onFailure:errFunc});
}
function previewBackup(id){
	new Ajax.Updater('previewBackup', './?mod=backup&action=preview&backup_id='+id+'', {onComplete:function(){ new Effect.Highlight('previewBackup');},asynchronous:true, evalScripts:true})

}
var errFunc = function(t) {
		    alert('Error ' + t.status + ' -- ' + t.statusText);
		}
function handlerFunc() {
	$('loaderDiv').innerHTML = '';
	$('loaderDiv').style.visibility = 'hidden';
}
function handlerFunc2() {
	$('backupdiv').innerHTML = 'Varnostna kopija shranjena.';
	new Effect.Pulsate('backupdiv');

}

function showContextMenu(id) {
	var obj='settings'+id;	
	var el = document.getElementById(obj);
	if(el.style.display != 'block'){
		el.style.display = 'block';
	}
	else{
		el.style.display = 'none';		
	}
}

function checkTellafriend(f) {
	var error = '';

	with(f) {
		if(isEmpty(prejemnik_email)) {
			error += "Prejemnikov email prosim!\n";
		}
		else {
			if(!isEmail(prejemnik_email)) {
				error += "Prejemnikov email ni pravilen (format)!\n"
			}
		}

		if(isEmpty(posiljatelj_email)) {
			error += "Pošiljateljev (vaš) email prosim!\n";
		}
		else {
			if(!isEmail(posiljatelj_email)) {
				error += "Posiljateljev (vaš!) email ni pravilen (format)!\n"
			}
		}

		if(isEmpty(ht_code)) {
			error += "Anti spam kodo prosim!?\n";
		}
	}
	if(error != '') {
		alert("HočemTo opozorilo: \n\n" + error);
		return false;
	}
	return true;
}

function checkCategories(){
	var select = document.getElementById('product_categories');
	var none_selected = true;
	for(i=0;i<select.options.length;i++){
		if(select.options[i].selected) none_selected = false;
	}
	if(none_selected){
		if(confirm('POZOR, izdelku niste izbrali nobene kategorije. Ali vseeno želite nadaljevati?')){
			return true;
		}
		else return false;
	}
	else return true;	
}