var nowZoom = 100; // ÇöÀçºñÀ² 
var maxZoom = 200; // ÃÖ´ëºñÀ²(500À¸·ÎÇϸé 5¹è Ä¿Áø´Ù) 
var minZoom = 100; // ÃÖ¼ÒºñÀ² 

//È­¸é Å°¿î´Ù. 
function zoomIn() 
{ 
	var body = document.getElementById("wrapper");

    if (nowZoom < maxZoom) 
    { 
        nowZoom += 10; //25%¾¿ Ä¿Áø´Ù. 
    } 
    else 
    { 
        return; 
    } 
    document.body.style.zoom = nowZoom + "%"; 
} 


//È­¸é ÁÙÀδÙ. 
function zoomOut() 
{ 
	var body = document.getElementById("wrapper");

    if (nowZoom > minZoom) 
    { 
        nowZoom -= 10; //25%¾¿ ÀÛ¾ÆÁø´Ù. 
    } 
    else 
    { 
        return; 
    } 	
    document.body.style.zoom = nowZoom + "%"; 
} 

//È­¸é ¿ø·¡´ë·Î 
function zoomDefault() 
{ 
    nowZoom = 100; 
	fSize = 12;
    document.body.style.zoom = nowZoom + "%"; 
	var objTd = document.getElementsByTagName( "td" );// <td>, <TD>ÀÇ ³»¿ëÀ» ¸ðµÎ Àоî¿È
	var objDiv = document.getElementsByTagName( "div" );
	var objSpan = document.getElementsByTagName( "span" );
	var objA = document.getElementsByTagName( "a" );
	var objs = document.getElementsByTagName( "p" );
	var objli = document.getElementsByTagName( "li" );
	for( i=0; i < objDiv.length; i++ )	objDiv[i].style.fontSize = fSize + "px";
	for( i=0; i < objTd.length; i++ )	objTd[i].style.fontSize = fSize + "px";
	for( i=0; i < objSpan.length; i++ )	objSpan[i].style.fontSize = fSize + "px";
	for( i=0; i < objA.length; i++ )	objA[i].style.fontSize = fSize + "px";
	for( i=0; i < objs.length; i++ )	objs[i].style.fontSize = fSize + "px";
	for( i=0; i < objli.length; i++ )	objli[i].style.fontSize = fSize + "px";
} 

var fSize = 12;
function scaleFont(n){
	fSize = fSize + n;
	var objTd = document.getElementsByTagName( "td" );// <td>, <TD>ÀÇ ³»¿ëÀ» ¸ðµÎ Àоî¿È
	var objDiv = document.getElementsByTagName( "div" );
	var objSpan = document.getElementsByTagName( "span" );
	var objA = document.getElementsByTagName( "a" );
	var objs = document.getElementsByTagName( "p" );
	var objli = document.getElementsByTagName( "li" );
	for( i=0; i < objDiv.length; i++ )	objDiv[i].style.fontSize = fSize + "px";
	for( i=0; i < objTd.length; i++ )	objTd[i].style.fontSize = fSize + "px";
	for( i=0; i < objSpan.length; i++ )	objSpan[i].style.fontSize = fSize + "px";
	for( i=0; i < objA.length; i++ )	objA[i].style.fontSize = fSize + "px";
	for( i=0; i < objs.length; i++ )	objs[i].style.fontSize = fSize + "px";
	for( i=0; i < objli.length; i++ )	objli[i].style.fontSize = fSize + "px";
}