function calc(val,factor,putin) { 
	if (val == "") {
		val = "0"
	}
	evalstr = "document.ConverTable."+putin+ ".value = "
	evalstr = evalstr + val + "/" + factor
	
	document.ConverTable.ckgrams.value=Math.round((eval(evalstr))*100)/100
	
}

function calc2(val,factor,putin) { 
	if (val == "") {
		val = "0"
	}
	evalstr = "document.ConverTable."+putin+ ".value = "
	evalstr = evalstr + val + "*" + factor
		
	document.ConverTable.ckpounds.value=Math.round((eval(evalstr))*100)/100
}