/******************
*·¹ÀÌ¾î º¸À̱â/°¨Ãß±â
*******************/
function LayerSH(LayerName,Status) {
ns4 = (document.layers)?true:false
ie4 = (document.all)?true:false

	if (ns4) {
		LayerN = document.layers[LayerName]
		if (Status == 'block') LayerN.display = 'block';
		if (Status == 'none') LayerN.display = 'none';
	}
	if (ie4) {
		LayerN = document.all[LayerName].style
		if (Status == 'block') LayerN.display = 'block';
		if (Status == 'none') LayerN.display = 'none';
	}

}

function select_click(){

	//var z = event.srcElement.id;
	//alert (z);
	//LayerSH('Layer4_s01','none');LayerSH('Layer3_s01','block');
}


/**********************
*¸ÞÀÎÆäÀÌÁö ·¹À̾î ÅǸ޴º
***********************/
function main_tab(maintab)
{
	//¸ÊÀ§Ä¡
	main_tab_coord = new Array();

	main_tab_coord[0] = "0,0,110,27";
	main_tab_coord[1] = "110,0,220,27";
	main_tab_coord[2] = "220,0,330,27";

	//¸Ê more ¸µÅ©
	main_tab_more = new Array();
	main_tab_more[0] = '<area shape="rect" coords="437,4,501,24" href="javascript: tab01_scroll.prev();">\n<area shape="rect" coords="502,4,559,24" href="contents/board/mboard.asp?strBoardID=monitoring&news_type=0">';
	main_tab_more[1] = '<area shape="rect" coords="442,7,500,26" href="javascript: tab02_scroll.prev();">\n<area shape="rect" coords="501,7,557,27" href="contents/board/mboard.asp?strBoardID=monitoring2">';
	main_tab_more[2] = '<area shape="rect" coords="440,6,499,24" href="javascript: tab03_scroll.prev();">\n<area shape="rect" coords="501,7,557,26" href="contents/board/mboard.asp?strBoardID=monitoring&news_type=1">';

	//¸Ê¸µÅ©
	main_tab_links = new Array();

	main_tab_links[0] = "LayerSH('Layer_tab01','block');LayerSH('Layer_tab02','none');LayerSH('Layer_tab03','none');";
	main_tab_links[1] = "LayerSH('Layer_tab01','none');LayerSH('Layer_tab02','block');LayerSH('Layer_tab03','none');";
	main_tab_links[2] = "LayerSH('Layer_tab01','none');LayerSH('Layer_tab02','none');LayerSH('Layer_tab03','block');";


	document.write("<map name=tab0" + maintab +">");

	for ( i=1 ; i<=main_tab_links.length ; i++ )
	{
		document.write("<area shape='rect' coords='" + main_tab_coord[i-1] + "'");
		document.write(" href='#'");
		document.write(" onClick=" + main_tab_links[i-1]);
		document.write(" onMouseover=" + main_tab_links[i-1]);
		document.write(" onFocus=this.blur()>");
	}
	document.write(main_tab_more[maintab-1]);
	document.write("</map>")


}