function changeFormAction(id, action)
{
	var form = document.getElementById(id);
	form.action = action;
}

function changeFormPage( form, input )
{
	var form = document.getElementById(id);
	var inputField = document.getElementById(input);
	alert ( inputField );
	form.action = 'page_'.inputField.value;
}

function confirmLink( message )
{
	if ( true != confirm( message ))
	{
		return false;
	}
	else return true;
}

function show_other(id)
{
	var elem = document.getElementById('answers_other_' + id);
	var box = document.getElementById('variant_' + id + '_other');
	elem.disabled = ( box.checked ? false : true );
}

var subscribe_email = '';

function modify_subscribe()
{
	var field = document.getElementById('subscribe_email');
	if ('' == subscribe_email) subscribe_email = field.value;

	if ( subscribe_email == field.value ) field.value = '';
	else
	{
		if ( '' == field.value ) field.value = subscribe_email;
	}
}

function openImage(src, w, h, title, scrollbars, windowW, windowH)
{
	var x = (self.screen.width - w) / 2;
	if (x < 0) { x = 0; }
 	var y = (self.screen.height - h) / 2;
 	if (y < 0) { y = 0; }
 	
	
 	if (scrollbars == 'yes')
 	{
 	 	var myWindow = window.open(src , "full", 'left=' + x + ',' + 'top=' + y + ',toolbar=no,menubar=no,resizable=yes,status=no,titlebar=no,width=' + windowW +',height=' + windowH + ',scrollbars=yes');
	}
	else
	{
		var myWindow = window.open("", "full", 'left=' + x + ',' + 'top=' + y + ',toolbar=no,menubar=no,resizable=no,status=no,titlebar=no,width=' + w +',height=' + h + ',scrollbars=no');
		myWindow.document.write('<html><head><title>' + title + '</title></head><body style="padding: 0; margin: 0;"><img src="' + src + '" width="' + w + '" height="' + h + '" alt="' + title + '" title="' + title + '" style="margin: 0;"></body></html>');

	}
	return false;
}

function openfull(src, w, h, title)
{
	return openImage(src, w, h, title);
}

function openWindow( path, name, w, h )
{
	var x = (self.screen.width - w) / 2;
	if (x < 0) { x = 0; }
 	var y = (self.screen.height - h) / 2;
 	if (y < 0) { y = 0; }
 	window.open(path, name, 'left=' + x + ',' + 'top=' + y + ',scrollbars=yes,toolbar=no,menubar=no,resizable=yes,status=no,titlebar=yes,width=' + w + ',height=' + h);
	return false;
}
