function acAlertFoto(msg,legenda) {
		document.getElementById('alertBtOk').style.display='none';
		document.getElementById('alert').style.display='block'; 	
			if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    document.getElementById('alert').style.height = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    document.getElementById('alert').style.height = document.body.clientHeight;
  }
		document.getElementById('alert2').style.display='block'; 
		document.getElementById('alertMsg2').innerHTML= '<img src="img/carrega.gif" style="margin-top: 200px;"/>';		
		var imagem = new Image();
		imagem.src = msg;
		if (navigator.appName=='Microsoft Internet Explorer' && parseFloat(navigator.appVersion) <= 4) {
			document.getElementById('alertMsg2').innerHTML= '<img src="'+msg+'" />'; 
			if (legenda){
				document.getElementById('alertLegenda').style.display = 'block';
				document.getElementById('alertLegenda').innerHTML= legenda; 
			}
			document.getElementById('alertBtOk').style.display='block'; 
		}else {
		imagem.onload = function() { 
			document.getElementById('alertMsg2').innerHTML= '<img src="'+msg+'" />'; 
			if (legenda){
				document.getElementById('alertLegenda').style.display = 'block';
				document.getElementById('alertLegenda').innerHTML= legenda; 
			}
			document.getElementById('alertBtOk').style.display='block'; 
		}
		}
	}
	function acAlertCarregando() {
		document.getElementById('alert').style.display='block'; 
		if (navigator.appName=='Microsoft Internet Explorer' && parseFloat(navigator.appVersion) <= 6) document.getElementById('alert').style.height = document.getElementById('pagina').offsetHeight;
		document.getElementById('alert3').style.display='block'; 
		document.getElementById('alertMsg3').innerHTML= '<img src="img/carrega.gif" />';			
	}

	function acFechaAlerta() {
		if (document.getElementById('alert3').style.display=='block') return false;
		else {
			document.getElementById('alert').style.display='none';
			document.getElementById('alert1').style.display='none';
			document.getElementById('alert2').style.display='none';
			document.getElementById('alert3').style.display='none';
			document.getElementById('alertLegenda').innerHTML = '';
			document.getElementById('alertLegenda').style.display='none';
			var valor = document.getElementById('campoerrado').value;
			if (valor) {
				if (valor == "Texto") document.getElementById('editor').contentWindow.focus();
				else document.getElementById(valor).focus();
			}	
		}
	}
	function ajaxInit() {
		var req;
		try {
			req = new ActiveXObject("Microsoft.XMLHTTP");
		} catch(e) {
			try {
				req = new ActiveXObject("Msxml2.XMLHTTP");
			} catch(ex) {
				try {
					req = new XMLHttpRequest();
				} catch(exc) {
					alert("Esse browser não tem recursos para uso do Ajax");
					req = null;
				}
			}
		}
		return req;
	}

	function acAjaxPagina(pagina,acao,reg){
		var wmDiv = document.getElementById("lista");
		if (document.getElementById('ini')) {
			var x = document.getElementById('ini');
			var fim = document.getElementById('fim');
			if (acao == 'vai')	x.innerHTML++;
			if (acao == 'vem')	x.innerHTML--;	

			var y = (x.innerHTML-1) * reg;
			
			if (x.innerHTML == 1)  document.getElementById('vem').style.visibility = "hidden";
			else document.getElementById('vem').style.visibility = "visible";
			if (fim.innerHTML == x.innerHTML) document.getElementById('vai').style.visibility = "hidden";
			else  document.getElementById('vai').style.visibility = "visible";
			corp = x.innerHTML;
		}
		else {
			var y = 0;
			corp = 1;
		}
			ajax = ajaxInit();
			ajax.open("GET", pagina+".asp?acao=Ajax&pag="+y+"&ini="+corp, true);
			ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
			ajax.onreadystatechange=function() {
				if (ajax.readyState==1){
					wmDiv.innerHTML = "<img src='img/carregando.gif' style='margin-top: 20px;'/>";
	   			}
				if (ajax.readyState==4){
					wmDiv.innerHTML = ajax.responseText;	
				}
			}
			ajax.send(null);
		}