if(settings.orientation == 'horizontal') {
var currentPositionIssues = parseInt($(settings.issuesDiv).css('marginLeft').substring(0,$(settings.issuesDiv).css('marginLeft').indexOf('px')));
var currentIssueIndex = currentPositionIssues/widthIssue;
var currentPositionDates = parseInt($(settings.datesDiv).css('marginLeft').substring(0,$(settings.datesDiv).css('marginLeft').indexOf('px')));
var currentIssueDate = currentPositionDates+widthDate;
if(currentPositionIssues >= 0) {
$(settings.issuesDiv).stop();
$(settings.datesDiv+' li:first-child a').click();
} else {
if (!$(settings.issuesDiv).is(':animated')) {
$(settings.issuesDiv).animate({'marginLeft':currentPositionIssues+widthIssue},{queue:false, duration:settings.issuesSpeed});
$(settings.issuesDiv+' li').animate({'opacity':settings.issuesTransparency},{queue:false, duration:settings.issuesSpeed});
$(settings.issuesDiv+' li.'+settings.issuesSelectedClass).removeClass(settings.issuesSelectedClass).prev().fadeTo(settings.issuesTransparencySpeed, 1).addClass(settings.issuesSelectedClass);
$(settings.datesDiv).animate({'marginLeft':currentIssueDate},{queue:false, duration:'settings.datesSpeed'});
$(settings.datesDiv+' a.'+settings.datesSelectedClass).removeClass(settings.datesSelectedClass).parent().prev().children().addClass(settings.datesSelectedClass);
}
}
} else if(settings.orientation == 'vertical') {
var currentPositionIssues = parseInt($(settings.issuesDiv).css('marginTop').substring(0,$(settings.issuesDiv).css('marginTop').indexOf('px')));
var currentIssueIndex = currentPositionIssues/heightIssue;
var currentPositionDates = parseInt($(settings.datesDiv).css('marginTop').substring(0,$(settings.datesDiv).css('marginTop').indexOf('px')));
var currentIssueDate = currentPositionDates+heightDate;
if(currentPositionIssues >= 0) {
$(settings.issuesDiv).stop();
$(settings.datesDiv+' li:first-child a').click();
} else {
if (!$(settings.issuesDiv).is(':animated')) {
$(settings.issuesDiv).animate({'marginTop':currentPositionIssues+heightIssue},{queue:false, duration:settings.issuesSpeed});
$(settings.issuesDiv+' li').animate({'opacity':settings.issuesTransparency},{queue:false, duration:settings.issuesSpeed});
$(settings.issuesDiv+' li.'+settings.issuesSelectedClass).removeClass(settings.issuesSelectedClass).prev().fadeTo(settings.issuesTransparencySpeed, 1).addClass(settings.issuesSelectedClass);
$(settings.datesDiv).animate({'marginTop':currentIssueDate},{queue:false, duration:'settings.datesSpeed'},{queue:false, duration:settings.issuesSpeed});
$(settings.datesDiv+' a.'+settings.datesSelectedClass).removeClass(settings.datesSelectedClass).parent().prev().children().addClass(settings.datesSelectedClass);
}
}
}
// prev/next buttons now disappears on first/last issue | bugfix from 0.9.51: lower than 1 issue hide the arrows
