var now;var str1="mainArea";var str2="cnt";var str3="n";$(document).ready(function(){showCnt(1);$(".nav").click(function(){var n=$(this).attr("id").charAt(1);showCnt(n);});$(".nav").hover(function(){$(this).css('backgroundPosition','0px -31px');},function(){var n=$(this).attr("id").charAt(1);if(now!=n){$(this).css('backgroundPosition','0px 0px');}});																												});function showCnt(num){if(now!=num){if(now!=undefined){var n1=document.getElementById(str1+now);var n2=document.getElementById(str2+now);var n3=document.getElementById(str3+now);$(n1).css('display',"none");$(n2).css('display',"none");$(n3).css('backgroundPosition','0px 0px');}var c1=document.getElementById(str1+num);var c2=document.getElementById(str2+num);var c3=document.getElementById(str3+num);$(c1).css('display',"block");$(c2).css('display',"block");$(c3).css('backgroundPosition','0px -31px');}now=num;}