<!--- validate form fields

function isFilled(elm) {
        if (elm.value == "" ||
                elm.value == null)
                return false;
                else return true;
}
function isChecked(elm) {
        var ischecked=0;
        // In case there is only one checkbox and
        // length is undefined
        if (elm.checked){
                ischecked=1;
                return true;
        }
        for(i=0; i<elm.length; i++){
                if(elm[i].checked){ischecked=1; i=elm.length + 1;}              
        }
        if(ischecked==1){return true;}else{return false;}
}
function isSelected(elm) {
        var isselected=0;
        for(i=1; i<elm.length; i++){
                if(elm[i].selected){isselected=1; i=elm.length + 1;}
        }
        if(isselected==1){return true;}else{return false;}
}
function areEqual(elm1,elm2) {
        if (elm1.value != elm2.value)
                return false;		
                else return true;
}
//------------->