var isNav4, isNav6, isIE4;

/* Formatação para qualquer mascara */

function formatar(src, mask) 
{
  var i = src.value.length;
  var saida = mask.substring(0,1);
  var texto = mask.substring(i)
if (texto.substring(0,1) != saida) 
  {
	src.value += texto.substring(0,1);
  }
}

/*
 * Browser version snooper; determines your browser
 * (Navigator 4, Navigator 6, or Internet Explorer 4/5)
 */
function setBrowser()
{
    if (navigator.appVersion.charAt(0) == "4")
    {
        if (navigator.appName.indexOf("Explorer") >= 0)
        {
            isIE4 = true;
        }
        else
        {
            isNav4 = true;
        }
    }
    else if (navigator.appVersion.charAt(0) > "4")
    {
        isNav6 = true;
    }
}

function getStyleBySelector( selector )
{
    if (!isNav6)
    {
        return null;
    }
    var sheetList = document.styleSheets;
    var ruleList;
    var i, j;

    /* look through stylesheets in reverse order that
       they appear in the document */
    for (i=sheetList.length-1; i >= 0; i--)
    {
        ruleList = sheetList[i].cssRules;
        for (j=0; j<ruleList.length; j++)
        {
            if (ruleList[j].type == CSSRule.STYLE_RULE &&
                ruleList[j].selectorText == selector)
            {
                return ruleList[j].style;
            }   
        }
    }
    return null;
}

function setIdProperty( id, property, value )
{
    if (isNav6)
    {
        var styleObject = document.getElementById( id );
        if (styleObject != null)
        {
            styleObject = styleObject.style;
            styleObject[ property ] = value;
        }
        
        /*
		styleObject = getStyleBySelector( "#" + id );
        if (styleObject != null)
        {
            styleObject[property] = value;
        }
		*/
    }
    else if (isNav4)
    {
        document[id][property] = value;
    }
    else if (isIE4)
    {
         document.all[id].style[property] = value;
    }
}

function mudabg(qual,bg){
	setIdProperty( qual, "background", bg);
}
function faztroca(qual){
	mudabg('emo'+document.fmrecados.smicone.value,'none');
	document.fmrecados.smicone.value = qual;	
	mudabg('emo'+qual,'#8C8C8C');
}

setBrowser()


function formSubmit()
{
de=document.fmrecados.de.value;
para=document.fmrecados.para.value;
icone=document.fmrecados.icone.value;
email=document.fmrecados.email.value;
msg=document.fmrecados.msg.value;


	if (confirm ("Enviar mensagem?") ){
        atualiza('mural.php?a=1&de='+de+"&para="+para+"&icone="+icone+"&email="+email+"&msg="+msg,'mural');
        trocalink(2,'linkmural');
	}
}

var xmlhttp=false; 
/*@cc_on @*/ 
/*@if (@_jscript_version >= 5) 
// JScript gives us Conditional compilation, we can cope with old IE versions. 
// and security blocked creation of the objects. 
  try { 
  xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); 
  } catch (e) { 
   try { 
    xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); 
   } catch (E) { 
    xmlhttp = false; 
   } 
  } 
@end @*/ 
if (!xmlhttp && typeof XMLHttpRequest!='undefined') { 
  xmlhttp = new XMLHttpRequest(); 
} 

function loadFragmentInToElement(fragment_url, element_id) { 
    var element = document.getElementById(element_id); 
    element.innerHTML = '<div class="carregando">Atualizando...</div>'; 
    xmlhttp.open("GET", fragment_url); 
    xmlhttp.onreadystatechange = function() { 
      if (xmlhttp.readyState == 4 && xmlhttp.status == 200) { 
      element.innerHTML = xmlhttp.responseText; 
      } 
    }
    xmlhttp.setRequestHeader('Accept-Charset','ISO-8859-1');
    xmlhttp.send(null); 
}