window.onload = preLoad('img/NAV_01_start_on.gif','img/NAV_02_news_on.gif','img/NAV_03_webshop_on.gif','img/NAV_04_events_on.gif','img/NAV_05_foto_on.gif','img/NAV_06_store_on.gif','img/NAV_07_studio_on.gif');

function preLoad()
{
	var args = preLoad.arguments;
	document.imageArray = new Array(args.length);
	
	for (var i=0; i < args.length; i++)
	{
		document.imageArray[i] = new Image;
		document.imageArray[i].src = args[i];
	}
}

function menuOver(object) {
	document.getElementById(object).style.background='url(../img/nav_text_grid.gif)';
}

function menuOut(object) {
	document.getElementById(object).style.background='transparent';
}

function viewPic(img)
{ 	
    picfile = new Image(); 
    picfile.src =(img); 
    fileCheck(img); 
}

function fileCheck(img)
{ 	
    if( (picfile.width!=0) && (picfile.height!=0) )
    { 
        makeWindow(img); 
    }
    else 
    {
        funzione="fileCheck('"+img+"')"; 
        intervallo=setTimeout(funzione,50); 
    }
}

function makeWindow(img)
{ 	
    ht = picfile.height + 20;
    wd = picfile.width + 20; 

    var args= "height=" + ht + ",innerHeight=" + ht;
    args += ",width=" + wd + ",innerWidth=" + wd;
    if (window.screen) 
    { 
        var avht = screen.availHeight; 
        var avwd = screen.availWidth;
        var xcen = (avwd - wd) / 2; 
        var ycen = (avht - ht) / 2;
        args += ",left=" + xcen + ",screenX=" + xcen;
        args += ",top=" + ycen + ",screenY=" + ycen + ",resizable=yes"; 	
    }
    return window.open(img, '', args); 
}

function openWindow(url)
{
	mytest = window.open(url,'','height=350, width=350,toolbar=no,menubar=no,scrollbars=no,resizable=no,location=no,directories=no,status=no');
	
}