//MENU ROLLOVER
if (document.images) {
nav1on   = new Image(); nav1on.src   = "_images/menu_homeon.jpg";
nav1off  = new Image(); nav1off.src  = "_images/menu_home.jpg";
nav2on   = new Image(); nav2on.src   = "_images/menu_buyon.jpg";
nav2off  = new Image(); nav2off.src  = "_images/menu_buy.jpg";
nav3on   = new Image(); nav3on.src   = "_images/menu_featureson.jpg";
nav3off  = new Image(); nav3off.src  = "_images/menu_features.jpg";
nav4on   = new Image(); nav4on.src   = "_images/menu_newson.jpg";
nav4off  = new Image(); nav4off.src  = "_images/menu_news.jpg";
nav5on   = new Image(); nav5on.src   = "_images/menu_videoon.jpg";
nav5off  = new Image(); nav5off.src  = "_images/menu_video.jpg";
nav6on   = new Image(); nav6on.src   = "_images/menu_tellon.jpg";
nav6off  = new Image(); nav6off.src  = "_images/menu_tell.jpg";
nav7on   = new Image(); nav7on.src   = "_images/menu_signupon.jpg";
nav7off  = new Image(); nav7off.src  = "_images/menu_signup.jpg";
nav8on   = new Image(); nav8on.src   = "_images/menu_abouton.jpg";
nav8off  = new Image(); nav8off.src  = "_images/menu_about.jpg";
}

function rollOn(img){
    if (document.images) {
        document[img].src=eval(img + "on.src");
    }
}

function rollOff(img){
    if (document.images) {
		document[img].src=eval(img + "off.src");
	}
}


//CLEAR FIELD
function clearIt(field) {
field.value="";
}


// OPEN WINDOW
function openWin(url,name,popW,popH) {
w = screen.availWidth;
h = screen.availHeight;
leftPos = 5;
topPos = 5;
window.open(url,name,'width='+popW+',height='+popH+',scrollbars=no,toolbar=no,status=no,resizable=yes,top='+ topPos+',left='+leftPos);
}

//AJAX
function Inint_AJAX() {
try { return new ActiveXObject("Msxml2.XMLHTTP");  } catch(e) {} //IE
try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {} //IE
try { return new XMLHttpRequest();          } catch(e) {} //Native Javascript
alert("XMLHttpRequest not supported");
return null;
};


//AJAX SWITCH IMG
function SwitchImg(theid,divid,imgcount) {
var req = Inint_AJAX();
if (req==null) {
	alert("Browser does not support HTTP Request");
	return;
}

req.onreadystatechange = function () {
 if (req.readyState==4) {
      if (req.status==200) {
           document.getElementById(divid).innerHTML=req.responseText; //return value;
      } else {
   	alert("An error has occured making the request");
      }
 }
};

var fields = "val="+theid+"&div="+divid+"&imgcount="+imgcount;
req.open("POST", "products_images.php",true);
req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=iso-8859-1");
req.send(fields); 
};

// DROP DOWN SORT FUNCTION
function dropsort(thename) { 
var ind = thename.selectedIndex; 
var url = thename.options[ind].value;
window.location.href = url;
}