function moveOptionUp(obj){if(!hasOptions(obj)){return;}for(i=0;i<obj.options.length;i++){if(obj.options[i].selected){if(i != 0 && !obj.options[i-1].selected){swapOptions(obj,i,i-1);obj.options[i-1].selected = true;}}}}
function moveOptionDown(obj){if(!hasOptions(obj)){return;}for(i=obj.options.length-1;i>=0;i--){if(obj.options[i].selected){if(i !=(obj.options.length-1) && ! obj.options[i+1].selected){swapOptions(obj,i,i+1);obj.options[i+1].selected = true;}}}}