// Basic Functions
//
//----------------------------------------------------------------------------------------------------------
//----------------------------------------------------------------------------------------------------------
function getHTTPObject() {
  var xmlhttp;
  /*@cc_on
  @if (@_jscript_version >= 5)
    try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (e) {
        xmlhttp = false;
      }
    }
  @else
  xmlhttp = false;
  @end @*/
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}
var http = getHTTPObject();

//----------------------------------------------------------------------------------------------------------
function pesquisar_dados(table,field,dado,diretorio)
{
	dir=(diretorio?diretorio:"");
	if(dado.length) {
		http.open("GET", dir+"include/ajax_consult.php?table=" + table + "&field=" + field + "&data=" + dado , false);
		http.send(null);
    	results = http.responseText;
		if(results == "FOUND") {
			return(false); 
		} else { 
			return(true);
		}
	} else {
		return(true);
	}
}

//----------------------------------------------------------------------------------------------------------

//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.org
//
function getPageScroll(){

	var yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
	}

	arrayPageScroll = new Array('',yScroll) 
	return arrayPageScroll;
}



//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
function getPageSize(){
	
	var xScroll, yScroll;
	
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = document.body.scrollWidth;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		windowWidth = self.innerWidth;
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = windowWidth;
	} else {
		pageWidth = xScroll;
	}


	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}

//----------------------------------------------------------------------------------------------------------

function removeHTMLTags(elemento){
 	if(document.getElementById && document.getElementById(elemento)){
 		var strInputCode = document.getElementById(elemento).innerHTML;
 		/* 
  			This line is optional, it replaces escaped brackets with real ones, 
  			i.e. < is replaced with < and > is replaced with >
 		*/	
 	 	strInputCode = strInputCode.replace(/&(lt|gt);/g, function (strMatch, p1){
 		 	return (p1 == "lt")? "<" : ">";
 		});
 		var strTagStrippedText = strInputCode.replace(/<\/?[^>]+(>|$)/g, "");
   //	alert("Output text:\n" + strTagStrippedText);	
   // Use the alert below if you want to show the input and the output text
   //		alert("Input code:\n" + strInputCode + "\n\nOutput text:\n" + strTagStrippedText);	
 	}	
	return true;
}

function stripHTML(){
	var re= /<\S[^><]*>/g
	for (i=0; i<arguments.length; i++)
	arguments[i].value=arguments[i].value.replace(re, "")
}

function checaTamanho(NomeCampo,TamanhoMaxCampo,idContador) {
	resp=false;
	Campo = document.getElementById(NomeCampo);
	CampoLength = Campo.value.length;
	document.getElementById(idContador).innerHTML = "Usados: " + CampoLength + " de " + TamanhoMaxCampo;
	if(CampoLength > TamanhoMaxCampo) {
		alert('Limite de caracteres excedido! O texto foi truncado no final.');
		Campo.value = Campo.value.substring(0,TamanhoMaxCampo);
		document.getElementById(NomeCampo).focus();
	} else {
		resp=true;
	}
	return resp;
}
