/*
 * @author SBC
 * @copyright Copyright © 2007 SBC
 Historico de modificacoes
 
 14/Maio/2007
 adicionado metodos url_encode e url_decode
  
 17/Abril/2007
 adicionado metodo generico getId e metodo $
 adicionado metodos createInput, removeInput, removeInForm
    
 16/Abril/2007
  removido modulo querystring
  criado plugin querystring

 12/Abril/2007
   adicionado metodo trim
   adicionado metodo dominioEmail

 10/Abril/2007
   adicionado modulo md5

 29/Marco/2007
   adicionado modulo querystring
   adicionado modulo cookie
   
   */

var MD5 = function (string) {

	function RotateLeft(lValue, iShiftBits) {
		return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits));
	}

	function AddUnsigned(lX,lY) {
		var lX4,lY4,lX8,lY8,lResult;
		lX8 = (lX & 0x80000000);
		lY8 = (lY & 0x80000000);
		lX4 = (lX & 0x40000000);
		lY4 = (lY & 0x40000000);
		lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF);
		if (lX4 & lY4) {
			return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
		}
		if (lX4 | lY4) {
			if (lResult & 0x40000000) {
				return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
			} else {
				return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
			}
		} else {
			return (lResult ^ lX8 ^ lY8);
		}
 	}

 	function F(x,y,z) { return (x & y) | ((~x) & z); }
 	function G(x,y,z) { return (x & z) | (y & (~z)); }
 	function H(x,y,z) { return (x ^ y ^ z); }
	function I(x,y,z) { return (y ^ (x | (~z))); }

	function FF(a,b,c,d,x,s,ac) {
		a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
		return AddUnsigned(RotateLeft(a, s), b);
	};

	function GG(a,b,c,d,x,s,ac) {
		a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
		return AddUnsigned(RotateLeft(a, s), b);
	};

	function HH(a,b,c,d,x,s,ac) {
		a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
		return AddUnsigned(RotateLeft(a, s), b);
	};

	function II(a,b,c,d,x,s,ac) {
		a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
		return AddUnsigned(RotateLeft(a, s), b);
	};

	function ConvertToWordArray(string) {
		var lWordCount;
		var lMessageLength = string.length;
		var lNumberOfWords_temp1=lMessageLength + 8;
		var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64;
		var lNumberOfWords = (lNumberOfWords_temp2+1)*16;
		var lWordArray=Array(lNumberOfWords-1);
		var lBytePosition = 0;
		var lByteCount = 0;
		while ( lByteCount < lMessageLength ) {
			lWordCount = (lByteCount-(lByteCount % 4))/4;
			lBytePosition = (lByteCount % 4)*8;
			lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount)<<lBytePosition));
			lByteCount++;
		}
		lWordCount = (lByteCount-(lByteCount % 4))/4;
		lBytePosition = (lByteCount % 4)*8;
		lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition);
		lWordArray[lNumberOfWords-2] = lMessageLength<<3;
		lWordArray[lNumberOfWords-1] = lMessageLength>>>29;
		return lWordArray;
	};

	function WordToHex(lValue) {
		var WordToHexValue="",WordToHexValue_temp="",lByte,lCount;
		for (lCount = 0;lCount<=3;lCount++) {
			lByte = (lValue>>>(lCount*8)) & 255;
			WordToHexValue_temp = "0" + lByte.toString(16);
			WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2);
		}
		return WordToHexValue;
	};

	function Utf8Encode(string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";

		for (var n = 0; n < string.length; n++) {

			var c = string.charCodeAt(n);

			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}

		}

		return utftext;
	};

	var x=Array();
	var k,AA,BB,CC,DD,a,b,c,d;
	var S11=7, S12=12, S13=17, S14=22;
	var S21=5, S22=9 , S23=14, S24=20;
	var S31=4, S32=11, S33=16, S34=23;
	var S41=6, S42=10, S43=15, S44=21;

	string = Utf8Encode(string);

	x = ConvertToWordArray(string);

	a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;

	for (k=0;k<x.length;k+=16) {
		AA=a; BB=b; CC=c; DD=d;
		a=FF(a,b,c,d,x[k+0], S11,0xD76AA478);
		d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756);
		c=FF(c,d,a,b,x[k+2], S13,0x242070DB);
		b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE);
		a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF);
		d=FF(d,a,b,c,x[k+5], S12,0x4787C62A);
		c=FF(c,d,a,b,x[k+6], S13,0xA8304613);
		b=FF(b,c,d,a,x[k+7], S14,0xFD469501);
		a=FF(a,b,c,d,x[k+8], S11,0x698098D8);
		d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF);
		c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1);
		b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE);
		a=FF(a,b,c,d,x[k+12],S11,0x6B901122);
		d=FF(d,a,b,c,x[k+13],S12,0xFD987193);
		c=FF(c,d,a,b,x[k+14],S13,0xA679438E);
		b=FF(b,c,d,a,x[k+15],S14,0x49B40821);
		a=GG(a,b,c,d,x[k+1], S21,0xF61E2562);
		d=GG(d,a,b,c,x[k+6], S22,0xC040B340);
		c=GG(c,d,a,b,x[k+11],S23,0x265E5A51);
		b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA);
		a=GG(a,b,c,d,x[k+5], S21,0xD62F105D);
		d=GG(d,a,b,c,x[k+10],S22,0x2441453);
		c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681);
		b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8);
		a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6);
		d=GG(d,a,b,c,x[k+14],S22,0xC33707D6);
		c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87);
		b=GG(b,c,d,a,x[k+8], S24,0x455A14ED);
		a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905);
		d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8);
		c=GG(c,d,a,b,x[k+7], S23,0x676F02D9);
		b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A);
		a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942);
		d=HH(d,a,b,c,x[k+8], S32,0x8771F681);
		c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122);
		b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C);
		a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44);
		d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9);
		c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60);
		b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70);
		a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6);
		d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA);
		c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085);
		b=HH(b,c,d,a,x[k+6], S34,0x4881D05);
		a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039);
		d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5);
		c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8);
		b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665);
		a=II(a,b,c,d,x[k+0], S41,0xF4292244);
		d=II(d,a,b,c,x[k+7], S42,0x432AFF97);
		c=II(c,d,a,b,x[k+14],S43,0xAB9423A7);
		b=II(b,c,d,a,x[k+5], S44,0xFC93A039);
		a=II(a,b,c,d,x[k+12],S41,0x655B59C3);
		d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92);
		c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D);
		b=II(b,c,d,a,x[k+1], S44,0x85845DD1);
		a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F);
		d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0);
		c=II(c,d,a,b,x[k+6], S43,0xA3014314);
		b=II(b,c,d,a,x[k+13],S44,0x4E0811A1);
		a=II(a,b,c,d,x[k+4], S41,0xF7537E82);
		d=II(d,a,b,c,x[k+11],S42,0xBD3AF235);
		c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB);
		b=II(b,c,d,a,x[k+9], S44,0xEB86D391);
		a=AddUnsigned(a,AA);
		b=AddUnsigned(b,BB);
		c=AddUnsigned(c,CC);
		d=AddUnsigned(d,DD);
	}

	var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d);

	return temp.toLowerCase();
}

function cookie() {

    this.get = function(name) {
        var dc = document.cookie;

        var prefix = name + "=";
        //alert(dc);
        var begin = dc.indexOf("; " + prefix);
        if (begin == -1) {
            begin = dc.indexOf(prefix);
            if (begin != 0) {
                alert("É possível que seu navegador não esteja habilitado para utilizar cookies.");
                return null;
            }
        } else
            begin += 2;
        var end = document.cookie.indexOf(";", begin);
        if (end == -1)
            end = dc.length;

        var resultado = unescape(dc.substring(begin + prefix.length, end));
        if (resultado == null) { alert("É possível que seu navegador não esteja habilitado para utilizar cookies."); }

        return resultado;
    }

    this.set = function(name, value, expires, path, domain, secure) {

        var curCookie = name + "=" + escape(value) +
        // ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");

        //alert("cookie definido");
        document.cookie = curCookie;
    }

 this.del = function(name, path, domain) {
  if (getCookie(name)) {
    document.cookie = name + "=" + 
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }
}
}

function getId(strId) {
	var i, arrReturn,arrStrId;
	if(arguments.length > 1) {
		arrStrId = new Array();
		for(i=0; i<arguments.length; i++)
			arrStrId.push(arguments[i]);
	}
	if(strId instanceof Array) {
		arrStrId = strId;
	}
	if(arrStrId instanceof Array) {
		arrReturn = new Array();
		for(i=0; i<arrStrId.length; i++)
			arrReturn[i] = document.getElementById(arrStrId[i]);
	} else {
		arrReturn = document.getElementById(strId);
	}
	return arrReturn;
}
function $(strId) { return getId(strId); }

function sbc_library() {
	this.majorVersion = "1";
	this.minorVersion = "0.4";
	this.releaseDate  = "17-04-2007 dd/mm/yyyy";
    this.cookie       = new cookie();
}

sbc_library.prototype.replace= function(string,text,by) {
    // Replaces text with by in string
    var strLength = string.length, txtLength = text.length;
    if ((strLength == 0) || (txtLength == 0)) return string;

    var i = string.indexOf(text);
    if ((!i) && (text != string.substring(0,txtLength))) return string;
    if (i == -1) return string;

    var newstr = string.substring(0,i) + by;

    if (i+txtLength < strLength)
        newstr += this.replace(string.substring(i+txtLength,strLength),text,by);

    return newstr;
}

sbc_library.prototype.url_encode= function(str) {
    var hex_chars = "0123456789ABCDEF"; 
    var noEncode = /^([a-zA-Z0-9\_\-\.])$/; 
    var n, strCode, hex1, hex2, strEncode = ""; 

    for(n = 0; n < str.length; n++) { 
        if (noEncode.test(str.charAt(n))) { 
            strEncode += str.charAt(n); 
        } else { 
            strCode = str.charCodeAt(n); 
            hex1 = hex_chars.charAt(Math.floor(strCode / 16)); 
            hex2 = hex_chars.charAt(strCode % 16); 
            strEncode += "%" + (hex1 + hex2); 
        } 
    } 
    return strEncode; 
} 

sbc_library.prototype.url_decode= function(str) {
    var n, strCode, strDecode = ""; 

    for (n = 0; n < str.length; n++) { 
        if (str.charAt(n) == "%") { 
            strCode = str.charAt(n + 1) + str.charAt(n + 2); 
            strDecode += String.fromCharCode(parseInt(strCode, 16)); 
            n += 2; 
        } else { 
            strDecode += str.charAt(n); 
        } 
    } 
    return strDecode; 
}  

sbc_library.prototype.getId = function(strId) {
    return getId(strId)
}

sbc_library.prototype.$ = function(strId) {
    return getId(strId)
}

sbc_library.prototype.submit = function(frm) {
    var vFrm = document.forms[frm];
    vFrm.submit();
}

sbc_library.prototype.removeInForm = function(frm, name) {
    var vFrm = document.forms[frm];
	var vElm = vFrm.elements[name];
		
    if(vElm) { vFrm.removeChild(vElm); }
}

sbc_library.prototype.createInput = function(frm, type, name, value) {
    var vFrm   = document.forms[frm];
	var vInput = document.createElement("input");
		
	vInput.setAttribute("type", type);
    vInput.setAttribute("name", name);
    vInput.setAttribute("id", name);
    vInput.setAttribute("value", value);
    vFrm.appendChild(vInput);
}
	
sbc_library.prototype.removeInput = function(frm,name) {
    this.removeInForm(frm,name);
}

sbc_library.prototype.valida = function(f) {
	var frm = document.forms[f];
	var i = frm.getElementsByTagName('input');
	var t = frm.getElementsByTagName('textarea');
	var a = true, str = ["\n"];
	
	for(var y=0; y<i.length; y++)
		if( (i[y].attributes["type"].value == "text") || (i[y].attributes["type"].value == "password") )
			if(i[y].title != "") 
                if(!i[y].value) { 
				    str.push(i[y].title +"\n"); 
				    a = false;
			    }
	for(var x=0; x<t.length; x++)
        if(t[x].title != "")
		    if(!t[x].value) { 
		        str.push(t[x].title+"\n"); 
		        a = false;
	    	}
	var s = str.toString().replace(/,/g,"");
    
	return a ? frm.submit() : alert(str.length > 2 ? "Preencha os campos:"+s : "Preencha o campo:"+s);
}


sbc_library.prototype.validaCaptcha = function(valor) {
    var resultado = this.cookie.get("SbcImgCaptchaValue");
    //alert("resultado = " + resultado);
    if (resultado == null) return false;

    var valormd5 = MD5(valor);
    valormd5 = valormd5.toLowerCase();
    return resultado.toLowerCase() == valormd5 ? true : false;
}

sbc_library.prototype.validaCaptchaValues = function(valor,valor2) {
    var resultado = valor2;
    var valormd5 = MD5(valor);
        valormd5 = valormd5.toLowerCase(); 
    return resultado.toLowerCase() == valormd5 ? true : false;
}

sbc_library.prototype.trim = function(str) {
  while (str.charAt(0) == ' ')
    str = str.substring(1);
  while (str.charAt(str.length - 1) == ' ')
    str = str.substring(0, str.length - 1);
  return str;
}

sbc_library.prototype.dominioEmail = function(objeto,dominio) {
	if (objeto.value.length==0) {
		return;
	}
	if (objeto.value.toLowerCase().indexOf('@')<0) {
	if (objeto.value.indexOf('@')>-1) {
		objeto.value = objeto.value.substring(0,objeto.value.indexOf('@'));
	}		
    	  objeto.value += dominio;
	}
}

sbc_library.prototype.carregaFlash = function(caminho, largura, altura) {
	var a = "";
	a += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0"';
	a += 'width="'+largura+'" height="'+altura+'">';
	a += '<param name="movie" value="'+caminho+'">';
	a += '<param name="quality" value="high">';
	a += '<param name="wmode" value="transparent">';
	a += '<param name="menu" value="false">';
	a += '<embed src="'+caminho+'" quality="high" wmode="transparent" pluginspage="http://www.macromedia.com/go/getflashplayer"';
	a += 'type="application/x-shockwave-flash" width="'+largura+'" height="'+altura+'"></embed></object>';
	document.write(a);
}

sbc_library.prototype.rodape = function() {
	var data = new Date(), s = "";
	s =  'Desenvolvido pela Gerência de Tecnologia da SBC - Todos os Direitos Reservados<br />';
	s += '&copy; Copyright '+data.getFullYear()+' | Sociedade Brasileira de Cardiologia | ';
	s += '<a href="mailto:cpd@cardiol.br">cpd@cardiol.br</a>';
	document.write(s);
}

sbc_library.prototype.get = function(formulario, campo) {
  return this.getValor(formulario, campo);
}

sbc_library.prototype.valField = function(formulario, campo, msg) {
  if (this.trim(this.getValor(formulario, campo))==""){
   document.getElementById(campo).focus();
   
   if (msg!=""){alert(msg);}
    return false;
   }
   else {return true;}
}

sbc_library.prototype.set = function(formulario, campo, valor) {
  var field = document.forms[formulario].elements[campo];
  field.value=valor;
}

sbc_library.prototype.getValor = function(formulario, campo) {

 var field = document.forms[formulario].elements[campo];

   switch(field.type)
   {
      case "text" :
      case "textarea" :
      case "password" :
      case "hidden" :
         return field.value;

      case "select-one" :
         var i = field.selectedIndex;
         if (i == -1)   return "";
         //else   return (field.options[i].value == "") ? field.options[i].text : field.options[i].value;
		 else return (field.options[i].value); 

      case "select-multiple" :
         var allChecked = new Array();
         for(i = 0; i < field.options.length; i++)
            if(field.options[i].selected)
               allChecked[allChecked.length] = (field.options[i].value) //== "") ? field.options[i].text : field.options[i].value;
         return allChecked;

      case "button" :
      case "reset" :
      case "submit" :
         return "";

      case "radio" :
      case "checkbox" :
         if (field.checked) { return field.value; } else { return ""; }
      default :
         if(field[0].type == "radio")
         {
            for (i = 0; i < field.length; i++)
               if (field[i].checked)
                  return field[i].value;

            return "";
         }
         else if(field[0].type == "checkbox")
         {
            var allChecked = new Array();
            for(i = 0; i < field.length; i++)
               if(field[i].checked)
                  allChecked[allChecked.length] = field[i].value;

            return allChecked;
         }
         else
            var str = "";
            for (x in field) { str += x + "\n"; }
            //alert("I couldn't figure out what type this field is...\n\n" + field.name + ": ???\n\n\n" + str + "\n\nlength = " + field.length);
            //break;
            return "";
   }
   
   return "";
}

var SBCJs = new sbc_library();