// Hacemos un chequeo del navegador y definimos funciones para efectos y para simplificacion del codigo
//var moz = ($ && !document.all) ? 1 : 0;

//function browser(v) { return(Math.max(navigator.userAgent.toLowerCase().indexOf(v),0)); }
//function xy(e,v) { return(v?(browser('msie')?event.clientY+document.body.scrollTop:e.pageY):(browser('msie')?event.clientX+document.body.scrollTop:e.pageX)); }
//function uni(v,id,s,top) { var ob=$S(id),b=v/100; ob.opacity=b; ob.top=top+'px'; ob.MozOpacity=b; ob.KhtmlOpacity=b; ob.filter="alpha(opacity="+v+")"; }
//function zero(v) { v=parseInt(v); return(!isNaN(v)?v:0); }
//
//function CE(v) { return(document.createElement(v)); }
//function CTN(v) { return(document.createTextNode(v)); }
//
//function isArray(v) {
//     return v && typeof v === 'object' && typeof v.length === 'number' &&
//	          !(v.propertyIsEnumerable('length'));
//}

var moz = ($ && !document.all) ? 1 : 0;

function $t(v)  { return(top.document.getElementById(v)); }
function $tS(v) { return($t(v).style); }
function $(v)   { return(document.getElementById(v)); }
function $S(v)  { return($(v).style); }
function CE(v)  { return(document.createElement(v)); }
function CTN(v) { return(document.createTextNode(v)); }

/*
 * Funciones para mostrar u ocultar capas estilo popup
 * */
function viewOverSite() {
	$('overSiteLayer').style.display = 'block';
}
function viewCondicionesContent() {
	viewOverSite();
	$('condicionesContentLayer').style.display = 'block';
}
function hiddenOverSite() {
	$('overSiteLayer').style.display = 'none';
}
function hiddenContent() {
	hiddenOverSite();
	$('condicionesContentLayer').style.display = 'none';
}


/**
 *
	FUNCIONES DE LA GALERIA
 *
*/
/*
function move_dcha() {
	ancho = 0;
	for (i=1;i<=$("numfotos").value; i++) {
		ancho += $("_"+i).width + 1;
	}
	if ($("leftdest").value > ((ancho-ANCHOMASCARA+MOVINI)*(-1))) {
		$("leftdest").value -= DISTMOV;
		$("dir").value = -1;
		window.setTimeout('mover(-'+MOVINI+')',VELOCIDAD);
	}
}

function move_izda() {
	if ($("leftdest").value < -MOVINI) {
		$("leftdest").value -= -DISTMOV;
		$("dir").value = 1;
		window.setTimeout('mover('+MOVINI+')',VELOCIDAD);
	}
}

function mover(dist) {
	$S("contenedorgaleria").left = ($("left").value-(-dist))+"px";
	$("left").value -= (-dist);
	
	dif = ($("leftdest").value - $("left").value) / DECELERACION;

	if (dif > LIMITE_DIF) {
		if ($("dir").value == 1) window.setTimeout('mover('+dif+')',VELOCIDAD);
		else window.setTimeout('mover(-('+dif+'))',VELOCIDAD);
	}
	else if (dif < -LIMITE_DIF) {
		if ($("dir").value == 1) window.setTimeout('mover(-('+dif+'))',VELOCIDAD);
		else window.setTimeout('mover('+dif+')',VELOCIDAD);
	}
	else {
		$("left").value = $("leftdest").value;
		$S("contenedorgaleria").left = $("leftdest").value;
	}
}

function mostrar_imagen(imagen,texto,textob,lafecha) {
	if ($(imagen).width > $(imagen).height) {
		width = MAXWIDTH;
		height = $(imagen).height * MAXWIDTH / $(imagen).width;
	}
	else {
		height = MAXHEIGHT;
		width = $(imagen).width * MAXHEIGHT / $(imagen).height;
	}
	
	$('cont_imggrande').innerHTML = "<img id='imggrande' src='"+$(imagen).src+"' width='"+width+"' height='"+height+"' />";
	$('imagenpie').innerHTML = texto;
	$('imagenpieb').innerHTML = textob+" "+lafecha;
}
*/
/**
	FIN DE LAS FUNCIONES DE LA GALERIA
*/

/*
  FUNCION SHA1 PARA TPV
*/
function SHA1 (msg) {

    function rotate_left(n,s) {
        var t4 = ( n<<s ) | (n>>>(32-s));
        return t4;
    };

    function lsb_hex(val) {
        var str="";
        var i;
        var vh;
        var vl;

        for( i=0; i<=6; i+=2 ) {
            vh = (val>>>(i*4+4))&0x0f;
            vl = (val>>>(i*4))&0x0f;
            str += vh.toString(16) + vl.toString(16);
        }
        return str;
    };

    function cvt_hex(val) {
        var str="";
        var i;
        var v;

        for( i=7; i>=0; i-- ) {
            v = (val>>>(i*4))&0x0f;
            str += v.toString(16);
        }
        return str;
    };


    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 blockstart;
    var i, j;
    var W = new Array(80);
    var H0 = 0x67452301;
    var H1 = 0xEFCDAB89;
    var H2 = 0x98BADCFE;
    var H3 = 0x10325476;
    var H4 = 0xC3D2E1F0;
    var A, B, C, D, E;
    var temp;

    msg = Utf8Encode(msg);

    var msg_len = msg.length;

    var word_array = new Array();
    for( i=0; i<msg_len-3; i+=4 ) {
        j = msg.charCodeAt(i)<<24 | msg.charCodeAt(i+1)<<16 |
        msg.charCodeAt(i+2)<<8 | msg.charCodeAt(i+3);
        word_array.push( j );
    }

    switch( msg_len % 4 ) {
        case 0:
            i = 0x080000000;
        break;
        case 1:
            i = msg.charCodeAt(msg_len-1)<<24 | 0x0800000;
        break;

        case 2:
            i = msg.charCodeAt(msg_len-2)<<24 | msg.charCodeAt(msg_len-1)<<16 | 0x08000;
        break;

        case 3:
            i = msg.charCodeAt(msg_len-3)<<24 | msg.charCodeAt(msg_len-2)<<16 | msg.charCodeAt(msg_len-1)<<8    | 0x80;
        break;
    }

    word_array.push( i );

    while( (word_array.length % 16) != 14 ) word_array.push( 0 );

    word_array.push( msg_len>>>29 );
    word_array.push( (msg_len<<3)&0x0ffffffff );


    for ( blockstart=0; blockstart<word_array.length; blockstart+=16 ) {

        for( i=0; i<16; i++ ) W[i] = word_array[blockstart+i];
        for( i=16; i<=79; i++ ) W[i] = rotate_left(W[i-3] ^ W[i-8] ^ W[i-14] ^ W[i-16], 1);

        A = H0;
        B = H1;
        C = H2;
        D = H3;
        E = H4;

        for( i= 0; i<=19; i++ ) {
            temp = (rotate_left(A,5) + ((B&C) | (~B&D)) + E + W[i] + 0x5A827999) & 0x0ffffffff;
            E = D;
            D = C;
            C = rotate_left(B,30);
            B = A;
            A = temp;
        }

        for( i=20; i<=39; i++ ) {
            temp = (rotate_left(A,5) + (B ^ C ^ D) + E + W[i] + 0x6ED9EBA1) & 0x0ffffffff;
            E = D;
            D = C;
            C = rotate_left(B,30);
            B = A;
            A = temp;
        }

        for( i=40; i<=59; i++ ) {
            temp = (rotate_left(A,5) + ((B&C) | (B&D) | (C&D)) + E + W[i] + 0x8F1BBCDC) & 0x0ffffffff;
            E = D;
            D = C;
            C = rotate_left(B,30);
            B = A;
            A = temp;
        }

        for( i=60; i<=79; i++ ) {
            temp = (rotate_left(A,5) + (B ^ C ^ D) + E + W[i] + 0xCA62C1D6) & 0x0ffffffff;
            E = D;
            D = C;
            C = rotate_left(B,30);
            B = A;
            A = temp;
        }

        H0 = (H0 + A) & 0x0ffffffff;
        H1 = (H1 + B) & 0x0ffffffff;
        H2 = (H2 + C) & 0x0ffffffff;
        H3 = (H3 + D) & 0x0ffffffff;
        H4 = (H4 + E) & 0x0ffffffff;

    }

    var temp = cvt_hex(H0) + cvt_hex(H1) + cvt_hex(H2) + cvt_hex(H3) + cvt_hex(H4);

    return temp.toLowerCase();

}
/*
  FIN FUNCION SHA1 PARA TPV
*/