var ffhttp = null;
var ffdiv  = null;
function ajax_request(URL, param, div){
	var e = navigator.userAgent;
	var eflag = false;
	if(e.indexOf("MSIE") > -1 || e.indexOf("Safari") > -1){
		eflag = true;
	}

	var xmlhttp = null;
	if(window.XMLHttpRequest){
		xmlhttp = new XMLHttpRequest();
		if(eflag == false) xmlhttp.overrideMimeType("text/xml");
	}else{
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	}

	link = URL + "?t="+ (new Date()).getTime();
	if(param) link = link +"&"+ param;
	xmlhttp.open('GET', link, true);

	if(eflag == true){
		xmlhttp.onreadystatechange = function(){
			if(xmlhttp.readyState==4 && xmlhttp.status == 200 && xmlhttp.statusText=='OK'){
				responseText = xmlhttp.responseText;
				document.getElementById(div).innerHTML = xmlhttp.responseText;
			}
		}
	}else{
		ffhttp = xmlhttp;
		ffdiv  = div;
		xmlhttp.onreadystatechange = getit;
	}
	xmlhttp.send('');

}

function getit(){
	if ( ffhttp.readyState == 4 ) {
		if ( ffhttp.status == 200 ) {
			responseText = ffhttp.responseText;
			document.getElementById(ffdiv).innerHTML = ffhttp.responseText;
		}
	}                
}

//Åǹè°æº¯°æ(¸ÞÀÎ ´º½º)
function tab_layout(tot, div, obj){
	for(var i = 1; i <= tot; i++){
		if(i == obj){
			document.getElementById(div+i).className = "tab_state1";
			if(i == 5)
				document.getElementById(div+i).style.backgroundImage = "URL(2010/images/tab_4tx_ov.gif)";
			else if(i == 1)
				document.getElementById(div+i).style.backgroundImage = "URL(2010/images/tab_2tx_ov.gif)";
			else
				document.getElementById(div+i).style.backgroundImage = "URL(2010/images/tab_2tx_ov2.gif)";
		}else{
			document.getElementById(div+i).className = "tab_state2";
			if(i == 5)
				document.getElementById(div+i).style.backgroundImage = "URL(2010/images/tab_4tx.gif)";
			else if(i == 1)
				document.getElementById(div+i).style.backgroundImage = "URL(2010/images/tab_2tx2.gif)";
			else
				document.getElementById(div+i).style.backgroundImage = "URL(2010/images/tab_2tx.gif)";
		}
	}
}

//Åǹè°æº¯°æ(¸ÞÀÎ ÀÇÇÐÁ¤º¸)
function tab_layout2(tot, obj){
	for(var i = 1; i <= tot; i++){
		if(i == obj){
			document.getElementById("tab_h_"+i).className = "tab_state1";
			if(i == 2)
				document.getElementById("tab_h_"+i).style.backgroundImage = "URL(2010/images/tab_6tx_ov.gif)";
			else
				document.getElementById("tab_h_"+i).style.backgroundImage = "URL(2010/images/tab_4tx_ov.gif)";
		}else{
			document.getElementById("tab_h_"+i).className = "tab_state2";
			if(i == 2)
				document.getElementById("tab_h_"+i).style.backgroundImage = "URL(2010/images/tab_6tx.gif)";
			else
				document.getElementById("tab_h_"+i).style.backgroundImage = "URL(2010/images/tab_4tx.gif)";
		}
	}
}

//Åǹè°æº¯°æ(¸ÞÀÎ ÀÇÇÐÁ¤º¸)
function tab_layout3(obj){
	if(obj == 1){
		document.getElementById("tab_h_1").className = "norepet";
		document.getElementById("tab_h_2").className = "uline_tab";
	}else{
		document.getElementById("tab_h_1").className = "uline_tabs";
		document.getElementById("tab_h_2").className = "norepet";
	}
}

function tab_layout4(obj){
	if(obj == 1){
		document.getElementById("tab_app1").className = "uline_tab_main1";
		document.getElementById("tab_app2").className = "uline_tab_main";
	}else{
		document.getElementById("tab_app1").className = "uline_tab_main";
		document.getElementById("tab_app2").className = "uline_tab_main2";
	}
}

function tab_layout5(obj){
	if(obj == 1){
		document.getElementById("tab_h_1").className = "uline_tab2_ov";
		document.getElementById("tab_h_2").className = "uline_tab2";
	}else{
		document.getElementById("tab_h_1").className = "uline_tab3";
		document.getElementById("tab_h_2").className = "uline_tab3_ov";
	}
}

function tab_layout6(obj){
	if(obj == 1){
		document.getElementById("easy_tab1").className = "norepet";
		document.getElementById("easy_tab1").style.fontWeight = "bold";
		document.getElementById("easy_tab2").className = "uline_tab";
		document.getElementById("easy_tab2").style.fontWeight = "normal";
	}else{
		document.getElementById("easy_tab1").className = "uline_tabs";
		document.getElementById("easy_tab1").style.fontWeight = "normal";
		document.getElementById("easy_tab2").className = "norepet";
		document.getElementById("easy_tab2").style.fontWeight = "bold";
	}
}