function breakStringPart( string, maximumLength, breakPoint ) {
brokenString = "";
if ( breakPoint != "" ) {
// We determine the position of the first "breakPoint" string preceding the "maximumLength" position (if any).
for ( i = maximumLength; i >= 0; i-- ) {
if ( string.substr( i, breakPoint.length ) == breakPoint ) {
if ( trim( breakPoint ) == "" ) {
brokenString = string.substring( 0, i ) + "
" + string.substr( i+1 );
}
else {
brokenString = string.substring( 0, i + breakPoint.length ) + "
" + string.substr( i+1 );
}
break;
}
}
}
if ( brokenString == "" ) {
// This string does not contain any "valid" "breakPoint" string where to break the string or the "breakPoint" string is blank.
// We break the string at the "maximumLength" position.
brokenString = string.substring( 0, maximumLength ) + "
" + string.substr( maximumLength );
}
return brokenString;
}
function trim( string ) {
trimmedString = "";
stringEnd = string.length - 1;
stopTrim = false;
for ( j = stringEnd; j >= 0; j-- ) {
if ( ( stopTrim == true ) || ( string.charAt( j ) != " " ) ) {
trimmedString = string.charAt( j ) + trimmedString;
stopTrim = true;
}
}
return trimmedString;
}
function breakText( text, maximumLength, breakPointString ) {
text = trim( text );
brokenHyperlink = text;
if ( text.length > maximumLength ) {
while ( true ) {
lastBreakPosition = brokenHyperlink.lastIndexOf( "
" );
if ( lastBreakPosition == -1 ) {
brokenHyperlink = breakStringPart( brokenHyperlink, maximumLength, breakPointString );
}
else if ( brokenHyperlink.length - lastBreakPosition + 1 - 4> maximumLength ) {
brokenHyperlink = brokenHyperlink.substring( 0, lastBreakPosition + 4 ) + breakStringPart( brokenHyperlink.substr( lastBreakPosition + 4 ), maximumLength, breakPointString );
}
else {
break;
}
}
}
document.write( brokenHyperlink );
}