function $(ele){
	return document.getElementById(ele);
} // of $


function disableElement (elem) {
	try {
		elem.disabled=true;
	} catch (e){
		alert(e);
	}
} // of disableElement()



function forceDigits(e) {
	var key;
	var keychar;
	if (window.event) key = window.event.keyCode;
	else if (e) key = e.which;
	else return true;
	keychar = String.fromCharCode(key);
	
	if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27) ) return true;
	else if ((("0123456789").indexOf(keychar) > -1)) return true;
	return false;
}// of forceDigits()


function loadMerkinfo() {
	var divnum = 1;
	for (var i = 0; i <= 5; i++) {
		$('merkinfoBox_'+divnum).innerHTML = '<a href="merkinfo.php?brandid='+merkinfo[i][0]+'" width="129" height="171"><img src="'+merkinfo[i][1]+'" width="129" height="71" /></a>';
		divnum++;
	}
}// of loadMerkinfo



function merkinfoToRight() {
	if (merkLeftIndex >= merkinfo.length - 6) return;
	var divnum = 1;
	for (var i = merkLeftIndex+1; i <= merkLeftIndex + 6; i++) {
		$('merkinfoBox_'+divnum).innerHTML = '<a href="merkinfo.php?brandid='+merkinfo[i][0]+'" width="129" height="171"><img src="'+merkinfo[i][1]+'" width="129" height="71" /></a>';
		divnum++;
	}
	merkLeftIndex++;
}

function merkinfoToLeft() {
	if (merkLeftIndex == 0) return;
	var divnum = 1;
	for (var i = merkLeftIndex - 1; i <= merkLeftIndex+4; i++) {
		$('merkinfoBox_'+divnum).innerHTML = '<a href="merkinfo.php?brandid='+merkinfo[i][0]+'" width="129" height="171"><img src="'+merkinfo[i][1]+'" width="129" height="71" /></a>';
		divnum++;
	}
	merkLeftIndex--;
}