function chkboxtoggle (name) {
	if (document.getElementById(name).checked == true) {
		document.getElementById(name).checked = false;
	} else {
		document.getElementById(name).checked = true;
	}
}

function popbox(popid){
    var pop = document.getElementById(popid)
    if (pop.style.display == 'none'){
        pop.style.display = ''
    }else{
        pop.style.display = 'none'
    }
}

function goto_URL(object) {
    window.location.href = object.options[object.selectedIndex].value;
}

function popup(theURL,winName,features) { 
  window.open(theURL,winName,features);
}