function subDisplay(subName) {
	if (eval(subName).style.visibility == "hidden"){
		eval(subName).style.visibility = "visible"
		eval(subName).style.display = "block"
        }else{
        	eval(subName).style.visibility = "hidden"
        	eval(subName).style.display = "none"
        }
}

function sh(obj) {
	$(obj).show()
}

function hid(obj) {
	$(obj).hide()
}