var area=1;
function initArea() {
	if((areaStart=document.cookie.indexOf("area")) >= 0) {
		areaStop=document.cookie.indexOf(";", areaStart);
		areaStart = areaStart+24;
		if(areaStop>areaStart) 
			area=document.cookie.substring(areaStart, areaStop);
		else 
			area=1;
	}
	else {
		area=1;
	}
	setArea(area);
}
function setArea(areaOn) {
	if(!document.getElementById) return;
	
	activeArea=firstJ=0;
	for(j=1; j<24; j++) {
		areaTd=document.getElementById('area'+j);
		areaDiv=document.getElementById('areaDiv'+j);
		if(areaTd&&areaDiv) {
			
			if(!firstJ) firstJ=j;
			
			if(j==areaOn) {
				areaTd.background="images/area_bg_on.gif";
				areaTd.style.backgroundColor="#eeeeee";
				areaDiv.style.display="block";
				document.cookie = "tab="+j;
				activeArea=j;
			}
			else {
				areaTd.background="images/area_bg_off.gif";
				areaTd.style.backgroundColor="#ffffff";
				areaDiv.style.display="none";			
			}
		} 
	}
	if(activeArea==0&&firstJ>0) {
		setArea(firstJ);
	}
}