//JavaScript Document

/*toggleSubNav is used to display and hide the quick links and report crime menu's*/

function toggleSubNav (id)
{
	if (document.getElementById)
	{
		oLinks = document.getElementById(id);
		oBtn = document.getElementById("btn_"+id);
		if (oLinks.style.display == "none")
		{
			oLinks.style.display = "";
			oBtn.src = "/images/sub_nav_btn_up.gif";
		}
		else
		{
			oLinks.style.display = "none";
			oBtn.src = "/images/sub_nav_btn_down.gif";
		}
	}
}

function toggleStatsLegend (oLink)
{
	if (document.getElementById)
	{
		oLegendTbl = document.getElementById('statsLegend');
		
		if (oLegendTbl.style.display == 'none')
		{
			oLegendTbl.style.display = '';
			oLink.innerHTML = 'Hide Stats Legend?';
		}
		else
		{
			oLegendTbl.style.display = 'none';
			oLink.innerHTML = 'Show Stats Legend?';
		}
	}
}

function swapProfile (sEnable, sDisable)
{
	if (document.getElementById)
	{
		//now enable selected tab
		
		document.getElementById(sEnable+'_btn').style.background = '#F8F1D8';
		document.getElementById(sEnable+'_prof').style.display = 'block';
		
		//first of all disable tabs
		
		var aDisable = sDisable.split (',');
		
		for (var i = 0; i < aDisable.length; i++)
		{
			//alert (document.getElementById(aDisable[i]+'_btn').style.background);
			document.getElementById(aDisable[i]+'_btn').style.background = '#eee';
			document.getElementById(aDisable[i]+'_prof').style.display = 'none';
		}
	}
}

function open_window (url, name, features)
{
	window.open (url, name, features);
}

function myareaSwapMap (sArea)
{
	if (document.getElementById)
	{
		switch (sArea)
		{
			case "stirling-dunblane":
				document.getElementById ("force_map").src = "images/map_dunblane.gif";
				break;
			case "stirling-stirling":
				document.getElementById ("force_map").src = "images/map_stirling.gif";
				break;
			case "falkirk-denny":
				document.getElementById ("force_map").src = "images/map_denny.gif";
				break;
			case "clacks":
				document.getElementById ("force_map").src = "images/map_clacks.gif";
				break;
			case "falkirk-falkirk":
				document.getElementById ("force_map").src = "images/map_falkirk.gif";
				break;
			case "falkirk-grangemouth":
				document.getElementById ("force_map").src = "images/map_grangemouth.gif";
				break;
			default:
				document.getElementById ("force_map").src = "images/map_all.gif";
		}
	}
}

function preload_images () {
	if (preload_images.arguments.length > 0)
	{
		var aImages = new Array();
		var aPreloads = preload_images.arguments; 
		
		for (var i = 0; i < aPreloads.length; i++)
		{
			aImages[i] = new Image();
			aImages[i].src = aPreloads[i];
		}
	}
	
	
}