function show(target,value){if(value){document.getElementById(target).style.display='block';}else{document.getElementById(target).style.display='none';}}function setClass(target,value){var Element=document.getElementById(target);if(!Element){return false;}Element.className=value;return true;}function setHeaderNavi(commonDiv,targetDiv,targetLink,value){if(value==true){show(targetDiv,true);setClass(commonDiv,'headerNaviHover');setClass(targetLink,'headerNaviMainLinkOn');}else{show(targetDiv,false);setClass(commonDiv,'headerNavi');setClass(targetLink,'headerNaviMainLinkOff');}}function setHeaderNaviProtected(commonDiv,targetLink,value){if(value==true){setClass(commonDiv,'headerNaviHover');setClass(targetLink,'headerNaviMainLinkOn');}else{setClass(commonDiv,'headerNavi');setClass(targetLink,'headerNaviMainLinkOff');}}function setHeaderNaviSelected(targetDiv,value){if(value==true){show(targetDiv,true);}else{show(targetDiv,false);}}