var dz=document;

function trimString(input){
return input.replace(/(^\s*) | (\s*$)/g,"");
}

function getKeyCode(e){
if(window.event)return window.event.keyCode;
else if(e)return e.which;
}

function checkEnter(e,actualFunc){
var keycd=getKeyCode(e);if(keycd==13){actualFunc();return false;}return true;
}