function total_num(event){ 
	var currentFlag=getURLParam("flag");
	if( event.keyCode =="67" ) 
	{ 
		var currentPageid=getURLParam("page");
		
		var nextPageid=( parseInt(currentPageid) + parseInt(1) );		
		isEndOfPage(nextPageid);
		window.location = "./mm.php?page="+nextPageid+"&flag="+currentFlag;
	}
	if( event.keyCode =="88" ) 
	{ 
		var currentPageid=getURLParam("page");
		var nextPageid=( parseInt(currentPageid) - parseInt(1) );
		isEndOfPage(nextPageid);
		window.location = "./mm.php?page="+nextPageid+"&flag="+currentFlag;
	}
	if( event.keyCode =="71" ) 
	{ 
		window.location = "./index.php";
	}
} 

function getURLParam(strParamName){
  var strReturn = "";
  var strHref = window.location.href;
  if ( strHref.indexOf("?") > -1 ){
    var strQueryString = strHref.substr(strHref.indexOf("?")).toLowerCase();
    var aQueryString = strQueryString.split("&");
    for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
      if ( 
aQueryString[iParam].indexOf(strParamName.toLowerCase() + "=") > -1 ){
        var aParam = aQueryString[iParam].split("=");
        strReturn = aParam[1];
        break;
      }
    }
  }
  return unescape(strReturn);
}