function MM_preloadImages()
{ //v3.0
    var d = document;
    if (d.images) {
        if (!d.MM_p) {
            d.MM_p = new Array();
        }
        var i, j = d.MM_p.length, a = MM_preloadImages.arguments;
        for(i = 0; i < a.length; i++) {
            if (a[i].indexOf("#") != 0) {
                d.MM_p[j] = new Image;
                d.MM_p[j++].src = a[i];
            }
        }
    }
}

function iw_open_window(link, window_name, width, height, resizable, scrollbars) 
{ 
    return window.open(link, window_name,'toolbar=no,location=no,status=no,menubar=0,scrollbars='+scrollbars+',resizable='+resizable+',height='+height+',width='+width+',top='+(screen.height-height)/2+',left='+(screen.width-width)/2+',copyhistory=no');
}


// this creates a date object for the cookies persistance
// make new date object
var exp = new Date();                                   
// set it 31 days ahead
exp.setTime(exp.getTime() + (1000 * 60 * 60 * 24 * 730)); 


// Use this function to retrieve a cookie.
function getCookie(name){
    var cname = name + "=";               
    var dc = document.cookie;             
        if (dc.length > 0) {              
        begin = dc.indexOf(cname);       
            if (begin != -1) {           
            begin += cname.length;       
            end = dc.indexOf(";", begin);
                if (end == -1) end = dc.length;
                return unescape(dc.substring(begin, end));
            } 
        }
    return null;
}

// Use this function to save a cookie.
function setCookie(name, value, expires) {
    document.cookie = name + "=" + escape(value) + "; path=/" +
    ((expires == null) ? "" : "; expires=" + expires.toGMTString());
}

// Use this function to delete a cookie.
function delCookie(name) {
    document.cookie = name + "=; expires=Thu, 01-Jan-70 00:00:01 GMT" +  "; path=/";
}