function fadding(div) {
	var start = 0;
	var add = 10;
	var speed = 100;
	
	var obj = document.getElementById(div);
	obj.style.opacity = 0;
	
	var interval = setInterval(function () {
		start = (start*1) + (add*1);
		
		obj.style.opacity = (start / 100);
		
		if (start >= 100) {
			clearInterval(interval);
		}
	},speed);
}

function previewVideo() {
	var url = document.getElementById('video');
	var legenda = document.getElementById('legenda');
	
	var params = 'video='+url.value;
	params += '&legenda='+legenda.value;
	params += '&preview=1';
	
	ajax('ajaxYouTube.php',params,'preview');
}

function abreVideo(id) {
	var params = 'id='+id;
	params += '&show=1';
	
	var x = getScrollXY();
	
	var obj = document.getElementById('abreVideo');
	obj.style.visibility = 'visible';
	obj.style.top = (70 + x[1]) + 'px';
	
	ajax('admin/ajaxYouTube.php',params,'abreVideo');
}

function alterar_foto_principal(id_foto_noticia, id_noticia) {
	var params = 'id_foto_noticia='+id_foto_noticia;
	params += '&id_noticia='+id_noticia;
	
	ajax('ajaxAlterarPrincipal.php',params,'fot'+id_foto_noticia);
}

function remover_foto_noticia(id_foto_noticia) {
	var params = 'id_foto_noticia='+id_foto_noticia;
	
	ajax('ajaxRemoverFotoNoticia.php',params,'fot'+id_foto_noticia);
}

function fechaDiv(id) {
	var obj = document.getElementById(id);
	obj.style.visibility = 'hidden';
	
	obj.innerHTML = '';
}

function changeBorder(item,cor) {
	item.style.border = cor;
}

function getScrollXY() {
	var scrOfX = 0, scrOfY = 0;
	if( typeof( window.pageYOffset ) == 'number' ) {
		scrOfY = window.pageYOffset;
		scrOfX = window.pageXOffset;
	} else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
		scrOfY = document.body.scrollTop;
		scrOfX = document.body.scrollLeft;
	} else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
		scrOfY = document.documentElement.scrollTop;
		scrOfX = document.documentElement.scrollLeft;
	}
	return [ scrOfX, scrOfY ];
}