function loadPics(lst){
	var res = new Array();
	for (i=0;i<lst.length;i++){
		var img = new Image();
		img.src = lst[i];
		res.push (img);
	}
	return res;
}

function roll(img, newPic){
	if (img && newPic){
		img.src = newPic.src;
		return true;
	} else {
		return false;
	}
}

function submitDownloadReq(doc){
	res = true;
	if (!doc['frm_down_req'].sname.value && res){
		alert ('Please provide your name.');
		res = false;
	}
	if (!doc['frm_down_req'].sorg.value && res){
		alert ('Please provide your organization name.');
		res = false;
	}
	if (!doc['frm_down_req'].sphone.value && res){
		alert ('Please provide your phone number.');
		res = false;
	}
	if (!doc['frm_down_req'].sto.value && res){
		alert ('Please provide your email address.');
		res = false;
	}
	if (!doc['frm_down_req'].sreason.value && res){
		alert ('Please provide your reason of interest.');
		res = false;
	}
	if (res)
		doc['frm_down_req'].submit();
}