var buttonPrefix = 'button';
var selectedPanelNumber = 0;

var panels=new Array();
panels[0]='featuresPanel';
panels[1]='imagesPanel';
panels[2]='locationPanel';
panels[3]='linksPanel';


function showPanel(panelNumber)
{
	selectedPanelNumber = panelNumber;

	for(i=0; i<panels.length; i++)
	{
		var tempPanel = document.getElementById(panels[i]);

		if(i == selectedPanelNumber)
			tempPanel.style['display'] = 'block';
		else
			tempPanel.style['display'] = 'none';
	}

	setPanelButtons(selectedPanelNumber);
}

function setPanelButtons()
{
	for(i=0; i<panels.length; i++)
	{
		var tempButtonName = buttonPrefix+i.toString();

		var tempButton = document.getElementById(tempButtonName);

		if(i == selectedPanelNumber)
			tempButton.className = 'panel_button_selected';
		else
			tempButton.className = 'panel_button';
	}
}