// preload the progress logo and trip icons
progress_logo = new Image(60,23); 
progress_logo.src = "/images/emap/m_logo_loading.gif";
regular_logo = new Image(60,23); 
regular_logo.src = "/images/emap/m_logo.gif";
mytrip_add = new Image(90,15); 

function start_progress_icon()
	{

	}

function stop_progress_icon()
	{

	}

function swap_trip_icon(theform, theimage)
	{
		if(theimage.src == mytrip_add.src)
		{
			theimage.src = mytrip_remove.src;
			theform.doAction.value = "add"; // this gets set just before the form is submitted
		}
		else
		{
			theimage.src = mytrip_add.src;
			theform.doAction.value = "remove"; // this gets set just before the form is submitted
		}
		
		theform.submit();
	}

function zoom(level)
	{
	start_progress_icon();
	
	document.mapform.zoom_level.value = level;
	
	document.mapform.submit();
	}

function pan(direction)
	{
	start_progress_icon();
	
	document.mapform.pan_direction.value = direction;
	
	document.mapform.submit();
	}

function page(start_num)
	{
	start_progress_icon();
	document.proxform.search.value = 0;	
	document.proxform.page_start.value = start_num;
	
	document.proxform.submit();
	}

function open_morepage(url)
{
	var bNewWindow = false;
	
	if(!window.parent.opener)
	{
		// opera - parent gone - need new one
		bNewWindow = true;
	}
	else if(window.parent.opener.closed)
	{
		// ie - parent gone - need new one
		bNewWindow = true;
	}
	else
	{
		// parent still exists
		bNewWindow = false;
	}
	
	if(bNewWindow)
	{
		newParent = window.open(url);
		window.parent.opener = newParent;
	}
	else
	{
		window.parent.opener.location = url;			
	}
	
	window.parent.opener.focus();			
}

function prox_search()
	{
	document.proxform.submit();
	}

function print_window(pageSource)
	{
	leWindow = window.open(pageSource, 'PrintMap', 'toolbar=no,width=600,height=550,status=no,resize=no,resizable=no,menubar=no,x=20,y=30,left=20,top=30'); 
	leWindow.focus();
	}