/*====================================================================
  サブメニュー表示のスクリプト
====================================================================*/

var subMenuList = new Array('sub_01','sub_02','sub_03');



var listLength = subMenuList.length;


function SubMenu(id){
/*
key = id;
	
	if (key === subMenuList[0]) {

		document.getElementById('sub_01').style.display = 'block';
		document.getElementById('sub_02').style.display = 'none';
		document.getElementById('sub_03').style.display = 'none';
		document.getElementById('sub_04').style.display = 'none';

	} else if(key === subMenuList[1]) {
		document.getElementById('sub_01').style.display = 'none';
		document.getElementById('sub_02').style.display = 'block';
		document.getElementById('sub_03').style.display = 'none';
		document.getElementById('sub_04').style.display = 'none';
		
	} else if(key === subMenuList[2]) {
		document.getElementById('sub_01').style.display = 'none';
		document.getElementById('sub_02').style.display = 'none';
		document.getElementById('sub_03').style.display = 'block';
		document.getElementById('sub_04').style.display = 'none';
	} else if(key === subMenuList[3]) {
		document.getElementById('sub_01').style.display = 'none';
		document.getElementById('sub_02').style.display = 'none';
		document.getElementById('sub_03').style.display = 'none';
		document.getElementById('sub_04').style.display = 'block';
		
	}

}
*/

var i;

i = 0;
key = id;
chdsp1 = 'block';
chdsp2 = 'none';


while (i < listLength) {
    if (key === subMenuList[i]) {

		document.getElementById(subMenuList[i]).style.display = chdsp1;		
    i = i + 1;
	} else {
		
		document.getElementById(subMenuList[i]).style.display = chdsp2;

		i = i + 1;
	}
}

}