//____________ utilities v1  _______________
function mod(id, property, value) {
    if (el=document.getElementById(id)) {
        
        switch(property) {
            case 'width' :
            case 'height' :
                if (el.style.height) {
                    currentHeight = el.style.height.split('px')[0];
                    t1 = new Tween(el.style, property, Tween.regularEaseOut, parseInt(currentHeight), value, 1, 'px');
                    t1.start();
                } else {
                    el.style.height = value + "px";
                }
            break;
            case 'display' :
                el.style.display = value;
            break;
        }
        
    }
}



function isValidEmail(str) {
  return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}


function setCookie( name, value, expires, path, domain, secure ) 
{
// set time, it's in milliseconds
var today = new Date();
today.setTime( today.getTime() );

/*
if the expires variable is set, make the correct 
expires time, the current script below will set 
it for x number of days, to make it for hours, 
delete * 24, for minutes, delete * 60 * 24
*/
if ( expires )
{
//expires = expires * 1000 * 60 * 60 * 24;
expires = expires * 1000 * 60;
}
var expires_date = new Date( today.getTime() + (expires) );

document.cookie = name + "=" +escape( value ) +
( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
( ( path ) ? ";path=" + path : "" ) + 
( ( domain ) ? ";domain=" + domain : "" ) +
( ( secure ) ? ";secure" : "" );
}

//____________ end utilities _______________