var social_title_check=false;
var unsocial_bycat=true;
var unsocial_bytitle=true;
// var social_reg = <?php if(isset($jsstring)){print_r($jsstring);}else{print_r('false');} ?>;
function showSocialBlock() {
    jQuery('#social_block').show().css('visibility', 'visible').find('#professor_email').attr('disabled', '');
}
function hideSocialBlock() {
    jQuery('#social_block').hide().css('visibility', 'hidden').find('#professor_email').attr('disabled', 'disabled');
}
function social_check(value){
    social_title_check=false;
    if(social_reg) {
        if (value=='Criminal law' || value=='Medicine' || value=='Nursing') {
            showSocialBlock();
        } else {
            hideSocialBlock();
        }
        if (value=='other') social_title_check=true;
    }
}

function social_check_toptile(value,ftype){
    if (social_title_check && social_reg) {
        if(social_reg.test(value)) {
            showSocialBlock();
            if (ftype=='title') {
                unsocial_bytitle = false;
            } else {
                unsocial_bycat = false;
            }
        } else {
            if (ftype=='title') {
                unsocial_bytitle = true;
            } else {
                unsocial_bycat = true;
            }
            if (unsocial_bytitle && unsocial_bycat) {
                hideSocialBlock();
            }
        }
    }
}