// JavaScript Document
var dom = document.getElementById ? true:false;

function browserSniffer() {

    var agt=navigator.userAgent.toLowerCase();

    var is_major = parseInt(navigator.appVersion);
    var is_minor = parseFloat(navigator.appVersion);

    var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
                && (agt.indexOf('webtv')==-1));
    var is_nnold = (is_nav && (is_major <= 4));
    var is_ie   = (agt.indexOf("msie") != -1);
    var is_ieold = (is_ie && (is_major < 4));

    if (is_nnold || is_ieold) {
  	window.location.href = 'index-upgrade.html';
    }
}

// Thumbnail updates to main image
function stickIt(which) {
	 if (which) {
		cur = which;
	 } else {
		cur = 1;
	 }

	 if (dom) {
		 //fix for IE weirdness
		 document.getElementById('mainimg').src = black.src;
		 //now back to the good stuff
		 document.getElementById('mainimg').width = wid[cur];
		 document.getElementById('mainimg').alt = alt[cur];
		 document.getElementById('mainimg').height = 300;
		 document.getElementById('mainimg').src = pic[cur];
	 } else {
		 document.mainimg.src = "images/black.gif";
		 document.mainimg.width = wid[cur];
		 document.mainimg.alt = alt[cur];
		 document.mainimg.height = 300;
		 document.mainimg.src = pic[cur];
	 }
}