var cell_actual ='cell_1';
function promocions(url,w,h) {
	LeftPosition = (screen.width) ? (screen.width - w) / 2 : 0;
	TopPosition = (screen.height) ? (screen.height - h) / 2 : 0;
	
	window.open (url,'','width='+w+', height='+h+',scrollbars=no,mainbar=no,toolbar=no,left='+LeftPosition+',top='+TopPosition+'');
}

function credits()
{
	LeftPosition = (screen.width) ? (screen.width-300)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-200)/2 : 0;
	window.open ('credits.asp','','width=300,height=200,scrollbars=no,statusbar=no,toolbar=no,mainbar=no,left='+LeftPosition+',top='+TopPosition+'');
}

function change_planol(url,id) {
	window.parent.central.location.href = url;
	
	document.getElementById(cell_actual).style.background= 'D9DC82';
	cell_actual = id;
	
	document.getElementById(id).style.background= 'B4B905';
}