/**
* checkForm
* @version  0.1.3
*/

// default input border color
if( !cfBorderColor )
var cfBorderColor   = '#000000';
if( !cfWarningColor )
var cfWarningColor  = '#ff0000';

var sAllWarnings = '';
var oFirstWrong;
var bIsWarnings = false;
var bAllGood 		= true;

// regular expresions
var	reS = /\s/gi;
var reEmail = /^[a-z0-9_.-]+([_\\.-][a-z0-9]+)*@([a-z0-9_\.-]+([\.][a-z]{2,4}))+$/i;
var reUrl = /^[a-z\d.\\\/\:]{1,}\.[a-z]{2,4}(\/.*)*$/i;
var	reFloat = /^-?[0-9]{1,}[.]{1}[0-9]{1,}$/i;
var	reInt = /^-?[0-9]{1,}$/i;
var	reDot = /\,/gi;


function fieldOperations( oObj, bCheck, sInfo ){

if( bCheck === true ) {
if( oObj.type != 'hidden' )
oObj.style.borderColor = cfBorderColor;
}
else {
if( sInfo )
sAllWarnings += sInfo +'\n';
if( oObj.type != 'hidden' ){
oObj.style.borderColor = cfWarningColor;
if( bIsWarnings == false )
oFirstWrong = oObj;
}
bIsWarnings = true;
return false;
}

return true;
} // end function fieldOperations


function checkText( oObj, sInfo ) {

checkT = oObj.value.replace( reS, "" );

var bCheck = true;
if( checkT == '' )
bCheck = false;

return fieldOperations( oObj, bCheck, sInfo );
} // end function checkText


function checkEmail( oObj ) {

var sEmail = oObj.value.replace( reS, "" );

var bCheck = true;
if ( sEmail.search( reEmail ) == -1 )
bCheck = false;

return fieldOperations( oObj, bCheck, cfLangMail );
} // end function checkEmail


function checkWww( oObj ) {

var sWww = oObj.value.replace( reS, "" );

var bCheck = true;
if( sWww.search( reUrl ) == -1 || sWww  == 'http://' )
bCheck = false;

return fieldOperations( oObj, bCheck, cfLangUrl );
} // end function checkWww


function checkFloat( oObj, sInfo ) {

var bCheck = true;
if( oObj.value.search( reFloat ) == -1 && oObj.value.search( reInt ) == -1 ){
if( !sInfo )
var sInfo = cfWrongValue;
bCheck = false;
}

return fieldOperations( oObj, bCheck, sInfo );
} // end function checkFloat


function checkInt( oObj, sInfo ) {

var bCheck = true;
if( oObj.value.search( reInt ) == -1 ) {
if( !sInfo )
var sInfo = cfWrongValue;
bCheck = false;
}

return fieldOperations( oObj, bCheck, sInfo );
} // end function checkInt


function checkFloatValue( oObj, iMinFloat, sInfo ) {

var bCheck = true;
if( +oObj.value <= +iMinFloat ) {
if( !sInfo )
var sInfo = cfToSmallValue;
bCheck = false;
}

return fieldOperations( oObj, bCheck, sInfo );
} // end function checkFloatValue

function checkIntValue( oObj, minInt, sign, sInfo ) {
if( !minInt )
var minInt = 0;
if( !sign )
var sign = '==';
if( !sInfo )
var sInfo = cfWrongValue;

eval ( 'var bCheck = ( '+ +oObj.value +' '+ sign +' '+ +minInt +' );' );

return fieldOperations( oObj, bCheck, sInfo );
} // end function checkIntValue


function checkTxt( oObj, iMin, sInfo ) {
if( !iMin )
var iMin = 6;

var check = oObj.value.replace( reS, "" );

var bCheck = true;
if( check.length < iMin ){
bCheck = false;
if( !sInfo )
var sInfo = cfTxtToShort;
}
return fieldOperations( oObj, bCheck, sInfo );
} // end function checkTxt

function checkExt( oObj, sExtensions, sInfo ){

var aFileExt    = oObj.value.split( "." );
var sFileExt    = aFileExt[aFileExt.length - 1];

var aGoodExt    = sExtensions.split( "|" );
var iGoodCount  = aGoodExt.length;

var bCheckExt = false;
for( var i = 0; i < iGoodCount; i++ ){
if( sFileExt == aGoodExt[i] ){
bCheckExt = true;
break;
}
} // end for

if( !sInfo )
var sInfo = cfWrongExt;

return fieldOperations( oObj, bCheckExt, sInfo );
} // end function checkExt


function checkOneCheckbox( oObj, sInfo ) {
return fieldOperations( oObj, oObj.checked, sInfo );
} // end function checkOneCheckbox

function cfDot( oObj ){
return oObj.value.replace(reDot, "\.");
}  // end function cfDot

function cfFix( f ){
f	= f.toString( );
var re	= /\,/gi;
f	= f.replace( re, "\." );

f = Math.round( f * 100 );
f = f.toString( );
var sMinus = f.slice( 0, 1 );
if( sMinus == '-' ){
f = f.slice( 1, f.length )
}
else
sMinus = '';
if( f.length < 3 ) {
while( f.length < 3 )
f = '0' + f;
}

var w = sMinus + f.slice( 0, f.length-2 ) + "." + f.slice( f.length-2, f.length );

if( w.search( reFloat ) == -1 )
w = '0.00';
return w;
} // end function cfFix

var sAllWarnings 	= '';
var bIsWarnings 	= false;
var bAllGood			= true;
var oFirstWrong 	= '';

function checkForm( form ) {

sAllWarnings 	= '';
bIsWarnings 	= false;
bAllGood			= true;
oFirstWrong 	= '';

aInputs = form.getElementsByTagName( 'input' );
checkFormElements( aInputs )

aInputs = form.getElementsByTagName( 'textarea' );
checkFormElements( aInputs, true )

if( bIsWarnings == true ) {
sAllWarnings = cfLangNoWord + '\n' + sAllWarnings;
alert ( sAllWarnings );
if( oFirstWrong )
oFirstWrong.focus();
return false;
}
return true;
} // end function checkForm

function checkFormElements( aInputs, bTitle ){
var oO;
var sT; // typ
var aParams;

for( var i = 0; i < aInputs.length; i++ ){
oO = aInputs[i];
if( oO.alt || ( oO.title && bTitle && bTitle == true ) ){
if( bTitle && bTitle == true )
aParams = oO.title.split( ';' );
else
aParams = oO.alt.split( ';' );
sT = aParams[0];
if( sT == 'simple' ){
bAllGood = checkText( oO, aParams[1] );
}
else if( ( sT == 'email' ) && ( ( aParams[1] == 'if' && oO.value ) || !aParams[1] ) ){
bAllGood = checkEmail( oO );
}
else if( ( sT == 'www' ) && ( ( aParams[1] == 'if' && oO.value ) || !aParams[1] ) ) {
bAllGood = checkWww( oO );
}
else if( ( sT == 'float' ) && ( ( aParams[2] == 'if' && oO.value ) || !aParams[2] ) ) {
oO.value = cfDot( oO );
bAllGood = checkFloat( oO );
if( bAllGood ){
oO.value = cfFix( oO.value );
if(	aParams[1] != '' )
bAllGood = checkFloatValue( oO, aParams[1] );
}
}
else if( ( sT == 'txt' ) && ( ( aParams[3] == 'if' && oO.value ) || !aParams[3] ) ) {
bAllGood = checkTxt( oO, aParams[1], aParams[2] );
}
else if( ( sT == 'extension' ) && ( ( aParams[3] == 'if' && ( oO.value ) ) || !aParams[3] ) ) {
bAllGood = checkExt( oO, aParams[1], aParams[2] );
}
else if( ( sT == 'int' ) && ( ( aParams[4] == 'if' && oO.value ) || !aParams[4] ) ) {
bAllGood = checkInt( oO, aParams[2] );
if( aParams[1] && bAllGood ) {
if( aParams[3] ) {
bAllGood = checkIntValue( oO, aParams[1], aParams[3], aParams[2] );
}
else
bAllGood = checkFloatValue( oO, aParams[1], aParams[2] );
}
}
else if( ( sT == 'box' ) && ( ( aParams[2] == 'if' && ( oO.value ) ) || !aParams[2] ) ) {
bAllGood = checkOneCheckbox( oO, aParams[1] );
}
}
}
} // end function checkFormElements