function showAndHide(theId){ 
	var el = document.getElementById(theId) 
	if (el.style.display=="none") { 
		el.style.display="block"; //show element 
	} 
	else { 
		el.style.display="none"; //hide element 
	} 
} 

function popUp(strURL){
	newwindow=window.open(strURL,'name',"menubar=no,width=450,height=345,toolbar=no,resizable=no");
	if (window.focus) {newwindow.focus()}
}
function popUpVideo(){
	newwindow=window.open('pop_video.php','name',"menubar=no,width=600,height=500,toolbar=no,resizable=no");
	if (window.focus) {newwindow.focus()}
}
function popUpAudio(){
	newwindow=window.open('pop_audio.php','name',"menubar=no,width=400,height=200,toolbar=no,resizable=no");
	if (window.focus) {newwindow.focus()}
}
function privacy(strURL){
	newwindow=window.open(strURL,'name',"menubar=no,width=560,height=600,toolbar=no,resizable=no,scrollbars=yes");
	if (window.focus) {newwindow.focus()}
}
function toggleEnabled(el){
	if(document.getElementById(el).value != ""){
		document.getElementById(el).disabled = false;
	}
}