function validate(field, topic){
    if(topic == 'Title') {var valtop = 0;}
    if(topic == 'Username') {var valtop = 1;}
    if(topic == 'Email') {var valtop = 2;}
    if(topic == 'URL') {var valtop = 3;}
    if(topic == 'Password') {var valtop = 4;}

    var valRegs = new Array();
    valRegs[0] = /^[a-zA-Z0-9åÅäÄöÖ\'=&%# _():;!?+.,{}[\]\-\\\\\/\\\"]{3,80}$/i;
    valRegs[1] = /^[a-zA-Z0-9_]{3,15}$/i;
    valRegs[2] = /^[_\.0-9a-zA-Z-]+@([0-9a-zA-Z][0-9a-zA-Z-]+\.)+[a-zA-Z]{2,6}$/i;
    valRegs[3] = /^http(s)?:\/\/[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(\/.*)?$/i;
    valRegs[4] = /(.*?){5,}/i;

    if(field.value.match(valRegs[valtop])){
        return true;
    }else{
        return false;
    }
}