function swap_stick(strSize, strTip)
{
	intOffset = 0;
	switch(strTip)
	{
		case 'acorn':
			intOffset = 0;
		break;
		case 'ball':
			intOffset = -100;
		break;
		case 'olive':
			intOffset = -200;
		break;
		case 'nylon':
			intOffset = -300;
		break;
		default:
			intOffset = 0;
	}
	
	strPos = "0px " + intOffset + "px";
	objStick=document.getElementById("stick_" + strSize).style.backgroundPosition = strPos;

	document.getElementById("stick_" + strSize + "_tip_desc").innerHTML=strTip;
}