// pass min and max -measured against window width
function P7_MinMaxW(a,b){
	var nw="auto",w=document.documentElement.clientWidth;
	if(w>=b){nw=b+"px";}if(w<=a){nw=a+"px";} return nw;
}

function promogo(url,target)
{
	if(target=='') {
		window.location=url;
	} else {
		window.open(url,target,'');
	}
}

function promoshow()
{
	// show the promo box
	document.getElementById('rotator').style.display = 'block';
}

function sethead()
{
	var imgs = ['logo_f01.jpg',
				'logo_f02.jpg',
				'logo_f03.jpg',
				'logo_f04.jpg',
				'logo_f05.jpg',
				'logo_f06.jpg',
				'logo_f07.jpg',
				'logo_f08.jpg',
				'logo_f09.jpg',
				'logo_f10.jpg',
				'logo_f11.jpg'];
				
	var r   = Math.floor(Math.random() * imgs.length )
	var url = '_site/_images/_header/'+imgs[r];
	document.getElementById('head').style.backgroundImage = 'url('+url+')';
	
	// show the promo box
	document.getElementById('rotator').style.display = 'block';
}

function openem(p1,p2,p3)
{
	if(p2==''){p2='mintmuseum'};
	if(p3==''){p3='org'};	
	window.location='mailto:'+p1+'@'+p2+'.'+p3+'?subject=Inquiry from website';
}

// selects image header at random
window.addEventListener?window.addEventListener('load',promoshow,false):window.attachEvent('onload',promoshow);