function go(url){	
	location.href=url;
	//location.replace(url);	
}

/*
	site link
*/
	function home()				{	go(g4_path+'/index.php');	}

	function product_main()		{	go(g4_path+'/contents/product_main.php');	}

	function support_main()		{	go(g4_path+'/contents/support_main.php');	}
		function support_faq()	{	go(g4_path+'/'+g4_bbs+'/board.php?bo_table=faq');	}
		function support_qna()	{	go(g4_path+'/'+g4_bbs+'/board.php?bo_table=qa');	}
		function support_dl()	{	go(g4_path+'/'+g4_bbs+'/board.php?bo_table=download');	}
		function support_as()	{	go(g4_path+'/contents/support_as.php');	}

	function education_main()	{	go(g4_path+'/contents/education_main.php');	}

	function technical_support(){	go(g4_path+'/contents/technical_support.php'); }

	function about_emthink()	{	go(g4_path+'/contents/aboutEmthink.php');	}
	function contact()			{	go(g4_path+'/contents/contactus.php');	}
	function privacy()			{	go(g4_path+'/contents/privacy.php');	}
	function events_news()		{	go(g4_path+'/'+g4_bbs+'/board.php?bo_table=events_news');	}

	function register()			{	go(g4_path+'/contents/education_main.php');	}
	function find_idpw()		{	go(g4_path+'/contents/education_main.php');	}
	function logout()			{	go(g4_path+'/contents/education_main.php');	}
	function modify_info()		{	go(g4_path+'/contents/education_main.php');	}





/*------------------------------

사이트 상단 펼침 레이어

-------------------------------*/

	var disappeardelay=250  //menu disappear speed onMouseout (in miliseconds)
	var enableanchorlink=0 //Enable or disable the anchor link when clicked on? (1=e, 0=d)
	var hidemenu_onclick=1 //hide menu when user clicks within menu? (1=yes, 0=no)
	 
	 
	var ie5=document.all
	var ns6=document.getElementById&&!document.all
	 
	function getposOffset(what, offsettype){
		var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
		var parentEl=what.offsetParent;
		while (parentEl!=null){
			totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
			parentEl=parentEl.offsetParent;
		}
		return totaloffset;
	}
	 
	function showhide(obj, e, visible, hidden){
		if (ie5||ns6)
			dropmenuobj.style.left=dropmenuobj.style.top=-500
		if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
			obj.visibility=visible
		else if (e.type=="click")
			obj.visibility=hidden
	}
	 
	function iecompattest(){
		return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
	}
	 
	function clearbrowseredge(obj, whichedge){
		var edgeoffset=0
		if (whichedge=="rightedge"){
		var windowedge=ie5 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
			dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
		if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
			edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
		}
		else{
		var windowedge=ie5 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
			dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
		if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure)
			edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
		}
		return edgeoffset
	}
	 
	function dropdownmenu(obj, e, dropmenuID){
		if (window.event) event.cancelBubble=true
		else if (e.stopPropagation) e.stopPropagation()
		if (typeof dropmenuobj!="undefined") //hide previous menu
			dropmenuobj.style.visibility="hidden"
			clearhidemenu()
		if (ie5||ns6){
			obj.onmouseout=delayhidemenu
			dropmenuobj=document.getElementById(dropmenuID)
		if (hidemenu_onclick) dropmenuobj.onclick=function(){dropmenuobj.style.visibility='hidden'}
			dropmenuobj.onmouseover=clearhidemenu
			dropmenuobj.onmouseout=ie5? function(){ dynamichide(event)} : function(event){ dynamichide(event)}
			showhide(dropmenuobj.style, e, "visible", "hidden")
			dropmenuobj.x=getposOffset(obj, "left")
			dropmenuobj.y=getposOffset(obj, "top")
			dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
			dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
		}
		return clickreturnvalue()
	}
	 
	function clickreturnvalue(){
		if ((ie5||ns6) && !enableanchorlink) return false
		else return true
	}
	 
	function contains_ns6(a, b) {
		while (b.parentNode)
		if ((b = b.parentNode) == a)
		return true;
		return false;
	}
	 
	function dynamichide(e){
		if (ie5&&!dropmenuobj.contains(e.toElement))
			delayhidemenu()
		else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
		delayhidemenu()
	}
	 
	function delayhidemenu(){
		delayhide=setTimeout("dropmenuobj.style.visibility='hidden'",disappeardelay)
	}
	 
	function clearhidemenu(){
		if (typeof delayhide!="undefined")
			clearTimeout(delayhide)
	}