var currentPanelId = 'feat_advanced';
var maxZIndex = 102;

function homePanelOn(panel_id){
	if(document.getElementById){

		if(currentPanelId != panel_id){
			homePanelOff();
	
			img = document.getElementById(panel_id);
			img.src = 'images/'+panel_id+'_on.gif';
		
			content = document.getElementById(panel_id+'_content');
			content.style.position = 'relative' ;
			content.style.zIndex = maxZIndex;
			maxZIndex ++;
	//		content.style.display = 'block';
			currentPanelId = panel_id;			
		}
	
	}	

}

function homePanelOff(){
	if(document.getElementById){
			img = document.getElementById(currentPanelId);
			img.src = 'images/'+currentPanelId+'.gif';

			//content = document.getElementById(currentPanelId+'_content');
			//content.style.display = 'none';
	}	

}

var feat_advanced_on=new Image();
feat_advanced_on.src="images/feat_advanced_on.gif";
var feat_advanced_off=new Image();
feat_advanced_off.src="images/feat_advanced.gif";

var feat_professional_on=new Image();
feat_professional_on.src="images/feat_professional_on.gif";
var feat_professional_off=new Image();
feat_professional_off.src="images/feat_professional.gif";

var feat_superior_on=new Image();
feat_superior_on.src="images/feat_superior_on.gif";
var feat_superior_off=new Image();
feat_superior_off.src="images/feat_superior.gif";

var feat_enhancing_on=new Image();
feat_enhancing_on.src="images/feat_enhancing_on.gif";
var feat_enhancing_off=new Image();
feat_enhancing_off.src="images/feat_enhancing.gif";

feat_free_on=new Image();
feat_free_on.src="images/feat_free_on.gif";
feat_free_off=new Image();
feat_free_off.src="images/feat_free.gif";