//	+, - 키를 입력하면 화면 확대, 축소를 한다.

var tgs = new Array( 'div','td','tr','a','h1','h2','h3','li','span','p','blockquote','legend','fieldset');
var tgs2 = new Array( 'div','td','tr','a');

var szs = new Array( '9','11','12','14','18','24','30');
var startSz = 2;

function ts( trgt,inc ) {
    if (!document.getElementById) return
    var d = document,cEl = null,sz = startSz,i,j,cTags;

    sz = parseInt(sz) + parseInt(inc);

    if ( sz < 1 ) sz = 1;
    if ( sz > 5 ) sz = 5;
    startSz = sz;

    if ( !( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ];

    cEl.style.fontSize = szs[sz];

    for ( i = 0 ; i < tgs.length ; i++ ) {
        cTags = cEl.getElementsByTagName( tgs[ i ] );
//        for ( j = 0 ; j < cTags.length ; j++ ) cTags[ j ].style.fontSize = szs[ sz ];
        for ( j = 0 ; j < cTags.length ; j++ ){
			//k= cTags[ j ].style.fontSize;
			//cTags[ j ].style.fontSize = k + inc;
			cTags[ j ].style.fontSize = szs[ sz ]
		}
    }
}
function ts2( trgt2,inc ) {
    if (!document.getElementById) return
    var d = document,cEl = null,sz = startSz,i,j,cTags;

    sz = parseInt(sz) + parseInt(inc);

    if ( sz < 0 ) sz = 0;
    if ( sz > 6 ) sz = 6;
    startSz = sz;

    if ( !( cEl = d.getElementById( trgt2 ) ) ) cEl = d.getElementsByTagName( trgt2 )[ 0 ];

    cEl.style.fontSize = szs[sz];

    for ( i = 0 ; i < tgs.length ; i++ ) {
        cTags = cEl.getElementsByTagName( tgs[ i ] );
//        for ( j = 0 ; j < cTags.length ; j++ ) cTags[ j ].style.fontSize = szs[ sz ];
        for ( j = 0 ; j < cTags.length ; j++ ){
			//k= cTags[ j ].style.fontSize;
			//cTags[ j ].style.fontSize = k + inc;
			cTags[ j ].style.fontSize = szs[ sz ]
		}
    }
}