function jkhometabs(div, tabclick) {
	var option=['homeactivity','homeposts', 'homecomments', 'homeupdate'];
	for(var i=0; i<option.length; i++) {
		if (document.getElementById(option[i])) {
			obj=document.getElementById(option[i]);
			obj.style.display=(option[i]==div)? "block" : "none";
		}
	}
	var tabop=['hmacttab','hmpsttab', 'hmcmttab', 'hmupdtab'];
	var tabclass=['jkacthome', 'jkpsthome', 'jkcmthome', 'jkupdhome'];
	var tabactclass=['jkacthomec', 'jkpsthomec', 'jkcmthomec', 'jkupdhomec'];
	for(var i=0; i<tabop.length; i++) {
		if (document.getElementById(tabop[i])) {
			obj=document.getElementById(tabop[i]);
			obj.className=(tabop[i]==tabclick)? tabactclass[i] : tabclass[i];
		}
	}

}

window.onload=function () {jkhometabs('homeactivity', 'hmacttab');}