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<!--//
function bnr_gnb_set(idx){
	if(idx!='undefined'){
		for(var i=0; i<4; i++){
			Elem("bnr_gnb_div_"+i).style.display="none";
		}	
		Elem("bnr_gnb_div_"+idx).style.display="";
	}
}



function main_right_banner(num){
	if(num==1){
		document.getElementById("main_right_bnr_1").style.display="";
		document.getElementById("main_right_bnr_0").style.display="none";
		setAttributeValue('main_right_bnr_dd_1','class','right_banner_blue');	
		setAttributeValue('main_right_bnr_dd_0','class','right_banner_gray');	
	}else{
		document.getElementById("main_right_bnr_1").style.display="none";
		document.getElementById("main_right_bnr_0").style.display="";		
		setAttributeValue('main_right_bnr_dd_1','class','right_banner_gray');	
		setAttributeValue('main_right_bnr_dd_0','class','right_banner_blue');	
	}
}



function setAttributeValue(elem, attri, val){
		var el = Elem(elem);
		if(el){
			if(getNavigatorType()==1){
				var st = document.createAttribute(attri);
				   st.value = val;
				   el.setAttributeNode(st);
			}else{
				el.setAttribute(attri, val);
			}
		}
}


function Elem(elem){
		var el = null;
		if(document.getElementById(elem)){
			el = document.getElementById(elem);
		}else if(document.getElementsByName(elem).length > 0){
			el = document.getElementsByName(elem);
		}else{
			el = null;
		}
		return el;
}

function getNavigatorType(){
		if ( navigator.appName == "Microsoft Internet Explorer" )
			return 1;  
		else if ( navigator.appName == "Netscape" )
			return 2;	
		else 
			return 0;
}

function setStyle(elem, stylePropertyName, strVal){
		var el = Elem(elem);
		if(el)			el.style[stylePropertyName] = strVal;
}
-->