function toggle_content(id) {
		// window.alert(document.getElementById(id).style.display);
		var currentid = document.getElementById(id);
		// alert("Current id = " + currentid.id);
		// Delete another maps
		for (i=0;i<4;i++) {
			var temp = i+1;
			var hideid = 'id' + temp;
			if (hideid != id) {
				document.getElementById(hideid).style.display = 'none';
			}
		}
		
		/*
		if (document.getElementById(id).style.display == 'none') {
			//window.alert('I will display it now');
			document.getElementById(id).style.display = 'block';
		}
		else {
			//window.alert('I will hide it now');
			document.getElementById(id).style.display = 'none';
		}
		*/
		document.getElementById(id).style.display = 'block';
}