function btnDisable(name){
        eval (name+"_onclick = false;");
		document.getElementById(name+'L').style.color='#2b2b2b';
		document.getElementById(name+'L').style.backgroundImage='url(css/css-images/btnD.png)';
		document.getElementById(name+'R').style.backgroundImage='url(css/css-images/btnD.png)';
}

function btnEnable(name){
        eval (name+"_onclick = true;");
		document.getElementById(name+'L').style.color='#FECBCB';
		document.getElementById(name+'L').style.backgroundImage='url(css/css-images/btnN.png)';
		document.getElementById(name+'R').style.backgroundImage='url(css/css-images/btnN.png)';
}