function $(str) {if (typeof str == 'string' && document.getElementById(str) != null ) {return document.getElementById(str);}return false;}function val(no,type) {if ( 0 == type ) {var imgUrl=this.argArray[no][2];var disp='none';}else {var imgUrl=this.argArray[no][1];var disp='';}if (  1 == this.bgOrText ) {$(this.argArray[no][0]).innerHTML='<img src="'+imgUrl+'">';}else {$(this.argArray[no][0]).style.background='url('+imgUrl+'")';}if(typeof($(this.argArray[no][3])) == 'object') {$(this.argArray[no][3]).style.display=disp;}}function doChg(no) {if ( this.curNo == no ) {return false;}this.val(this.curNo,0);this.val(no,1);this.curNo=no;}function init() {for ( var i=0;i<this.len;i++ ) {this.val(i,0);$(this.argArray[i][0]).name=this.argArray[i][0]+i;$(this.argArray[i][0]).style.cursor='pointer';}this.val(0,1);this.curNo=0;}
chgBg =function (arr,eventCode,bgOrText) {this.argArray		=arr;this.eventCode		= eventCode;this.len			= this.argArray.length;this.curNo			= '0';this.bgOrText		= 1;this.val=val;this.doChg=doChg;this.val=val;this.init=init;}
function attEvt(chg){for ( var i=0;i<chg.len;i++ ) {if ( 2 ==  chg.eventCode ) {$(chg.argArray[i][0]).onmouseover=function (){chg.doChg(this.name.charAt(this.name.length-1))};}else {$(chg.argArray[i][0]).onmouseover=function (){chg.doChg(this.name.charAt(this.name.length-1))};}}}