//returns string formatted for money
function moneyFormat(mnt) {
	mnt -= 0;
	mnt = (Math.round(mnt*100))/100;
	return (mnt == Math.floor(mnt)) ? mnt + '.00' 
			  : ( (mnt*10 == Math.floor(mnt*10)) ? 
					   mnt + '0' : mnt);
}
//renumbers first td of a table
function renumber( elem ){
	$("tbody tr", elem).each( function(i){
		$("td:first", this).html( (i+1)+".");
	});
}
//duplicate in_array functino from php
Array.prototype.in_array = function ( obj ) {
	var len = this.length;
	for ( var x = 0 ; x <= len ; x++ ) {
		if ( this[x] == obj ) return x;
	}
	return -1;
}