function clearsjindexmenu()
{
	document.getElementById("dt01").style.backgroundImage = "url('./images/index_bg_05.png')";
	document.getElementById("dt02").style.backgroundImage = "url('./images/index_bg_06.png')";
	document.getElementById("dt03").style.backgroundImage = "url('./images/index_bg_07.png')";
	document.getElementById("dt04").style.backgroundImage = "url('./images/index_bg_08.png')";

	document.getElementById("dt01").style.borderBottom = "1px solid #abc";
	document.getElementById("dt02").style.borderBottom = "1px solid #abc";
	document.getElementById("dt03").style.borderBottom = "1px solid #abc";
	document.getElementById("dt04").style.borderBottom = "1px solid #abc";

	document.getElementById("dd01").style.display = "none";
	document.getElementById("dd02").style.display = "none";
	document.getElementById("dd03").style.display = "none";
	document.getElementById("dd04").style.display = "none";
}

function sjindexmenu01()
{
	clearsjindexmenu();
	document.getElementById("dt01").style.backgroundImage = "url(./images/index_bg_05a.png)";
	document.getElementById("dt01").style.borderBottom = "1px solid #fff";
	document.getElementById("dd01").style.display = "block";
}

function sjindexmenu02()
{
	clearsjindexmenu();
	document.getElementById("dt02").style.backgroundImage = "url(./images/index_bg_06a.png)";
	document.getElementById("dt02").style.borderBottom = "1px solid #fff";
	document.getElementById("dd02").style.display = "block";
}

function sjindexmenu03()
{
	clearsjindexmenu();
	document.getElementById("dt03").style.backgroundImage = "url(./images/index_bg_07a.png)";
	document.getElementById("dt03").style.borderBottom = "1px solid #fff";
	document.getElementById("dd03").style.display = "block";
}

function sjindexmenu04()
{
	clearsjindexmenu();
	document.getElementById("dt04").style.backgroundImage = "url(./images/index_bg_08a.png)";
	document.getElementById("dt04").style.borderBottom = "1px solid #fff";
	document.getElementById("dd04").style.display = "block";
}