// links_go 
function linkTabOn(num){
	if(num=="1"){
		document.getElementById('links_go1').style.display="block";
		document.getElementById('links_go2').style.display="none";
        document.getElementById("img_go1").src = "/images/img1/main/tit_h3_links_go1_on.gif";
        document.getElementById("img_go2").src = "/images/img1/main/tit_h3_links_go2.gif";
	}else{
		document.getElementById('links_go1').style.display="none";
		document.getElementById('links_go2').style.display="block";
        document.getElementById("img_go1").src = "/images/img1/main/tit_h3_links_go1.gif";
        document.getElementById("img_go2").src = "/images/img1/main/tit_h3_links_go2_on.gif";
	}
}


/* image roll over */
function replaceImg(replaceId){
	var element = document.getElementById(replaceId);
	var imgNodes = element.getElementsByTagName('img');
	for(var i=0;i < imgNodes.length;i++){
		imgNodes[i].name = i;
		imgNodes[i].onmouseover = imgNodes[i].onfocus =function (){
			for(var k=0;k < imgNodes.length;k++){
				imgNodes[k].src = imgNodes[k].src.replace("_on.gif",".gif");
			}
			this.src = this.src.replace(".gif","_on.gif");
		};
		imgNodes[i].onmouseout = imgNodes[i].onblur = function (){
			for(var l=0;l < imgNodes.length;l++){
				imgNodes[l].src = imgNodes[l].src.replace("_on.gif",".gif");
			}
		};
	}
}

/* replace Background Image & pop tab function */
function replaceBg(num,cnt) {

	document.getElementById('pop_tab').className = "popnum"+num+cnt;
	for(var i=1; i<=cnt; i++){
		if(i == num){
			document.getElementById('pop_tab'+i).style.display="block";
		}
		if(i != num){
			document.getElementById('pop_tab'+i).style.display="none";			
		}
		
	}
	/*
	if(num=="1"){
        document.getElementById('pop_tab').className = "popnum1";
		document.getElementById('pop_tab1').style.display="block";
		document.getElementById('pop_tab2').style.display="none";
		document.getElementById('pop_tab3').style.display="none";
	}else{
        if(num=="2"){
            document.getElementById('pop_tab').className = "popnum2";
            document.getElementById('pop_tab1').style.display="none";
            document.getElementById('pop_tab2').style.display="block";
            document.getElementById('pop_tab3').style.display="none";
        }else{
            document.getElementById('pop_tab').className = "popnum3";
            document.getElementById('pop_tab1').style.display="none";
            document.getElementById('pop_tab2').style.display="none";
            document.getElementById('pop_tab3').style.display="block";
        }
    }*/
}
/*var counter = 1;
function changeBanner() {

	if(counter > 2)
		counter = 0;
		replaceBg(counter);
	   counter++;
	}*/
	//var timer = window.setInterval("changeBanner()", 3000);    
    
    
function marketBigTab(numMkt){
	if(numMkt=="1"){
		document.getElementById('tech_tab_01').style.display="block";
		document.getElementById('tech_tab_02').style.display="none";
        document.getElementById("mktImg1").src = "/images/img1/main/mkt_tab_01_on.gif";
        document.getElementById("mktImg2").src = "/images/img1/main/mkt_tab_02.gif";
	}else{
		document.getElementById('tech_tab_01').style.display="none";
		document.getElementById('tech_tab_02').style.display="block";
        document.getElementById("mktImg1").src = "/images/img1/main/mkt_tab_01.gif";
        document.getElementById("mktImg2").src = "/images/img1/main/mkt_tab_02_on.gif";
	}
}






/* tab menu and rollover _ tech_market
function marketTab(num3) {
    for (var n=1; n <= 5; n++){
        var elementId = "tm_list0"+n;
        var element = document.getElementById(elementId);
        var elementId2 = "tm_tit_0"+n;
        var element2 = document.getElementById(elementId2);
        var imgNodes = element2.getElementsByTagName('img');
        if (n == num3){
            element.style.display='block';
            for(var l=0;l < imgNodes.length;l++){
            imgNodes[l].src = imgNodes[l].src.replace(".gif","_on.gif");
            }else{
                element.style.display='none';
                for (var l=0;l < imgNodes.length;l++){
                imgNodes[l].src = imgNodes[l].src.replace("_on.gif",".gif");
                }
            }
        }
    ;
} */
    
/* center Tab area */
function showHideLayer1(lnum) {
	var targetID = document.getElementById("tech_tab_01");
	var tagNum = targetID.getElementsByTagName("h3");

	for(i=1; i<=tagNum.length; i++) {
		document.getElementById("tm_list0"+i).style.display = "none";
		document.getElementById("tab0"+i).src = document.getElementById("tab0"+i).src.replace("_on.gif",".gif");
	}
	document.getElementById("tm_list0"+lnum).style.display = "block";
	document.getElementById("tab0"+lnum).src = document.getElementById("tab0"+lnum).src.replace(".gif","_on.gif");
}
function showHideLayer2(lnum) {
	
	var targetID = document.getElementById("tech_tab_02");
	var tagNum = targetID.getElementsByTagName("h3");

	for(i=1; i<=tagNum.length; i++) {
		document.getElementById("tm_lists0"+i).style.display = "none";
		document.getElementById("tabs0"+i).src = document.getElementById("tabs0"+i).src.replace("_on.gif",".gif");
	}
	document.getElementById("tm_lists0"+lnum).style.display = "block";
	document.getElementById("tabs0"+lnum).src = document.getElementById("tabs0"+lnum).src.replace(".gif","_on.gif");
}


/* ±â¼úÆò°¡ */
function showHideLayer(lnum) {
	var targetID = document.getElementById("tech_eval_01");
	var tagNum = targetID.getElementsByTagName("h3");

	for(i=1; i<=tagNum.length; i++) {
		document.getElementById("eval_list0"+i).style.display = "none";
		document.getElementById("eval0"+i).src = document.getElementById("eval0"+i).src.replace("_on.gif",".gif");
	}
	document.getElementById("eval_list0"+lnum).style.display = "block";
	document.getElementById("eval0"+lnum).src = document.getElementById("eval0"+lnum).src.replace(".gif","_on.gif");
}
/* ±â¼úÆò°¡ end */