function rightOf(what,howmanychar) {
	return what.substr(what.length-howmanychar,howmanychar)
	}
function midOf(what,fromwhere) {
	return what.substr(fromwhere-1,what.length-fromwhere+1)
	}
function leftOf(what,howmanychar) {
	return what.substr(0,howmanychar)
	}
function removePX(what) {
	return what.substr(0,what.length-2)
	}