thisCookie = document.cookie.split(";")
for (i=0; i<thisCookie.length; i++) {pref = thisCookie[i].split("=")[1]}
if (!pref) pref="z100"
styfl='<input style="float:'

function zoomOnLoad(){if (pref.substr(1,3)!="100") zoomTags(pref.substr(1,3))}

function zoomNext(inc) {zf=parseInt(document.zoom.scale.value)+parseInt(inc)+100;zoomTags(zf)}

function zoomTags(zf) {
 if (zf<30) zf=100
 if (zf<100) {pref="z0"} else {pref="z"}
 if (zf>975) {pref="z975"} else {pref=pref+zf}
 document.body.style.zoom=zf+"%";document.zoom.scale.value=(zf-100)

 var expdate = new Date()
 expdate.setTime(expdate.getTime() + 180*3600*24000)
 document.cookie = "Bristol Diabetes=" + escape(pref) + "; expires=" + expdate.toGMTString()
}

function scale() {
 wk='<form name="zoom">'+styfl+'left" value="A+" type="hidden" title="Zoom In" onMouseDown="ZoomNext A+">'
 +styfl+'left" value="A-" type="hidden" title="Zoom Out 10%" onMouseDown="ZoomNext A-">'
 +styfl+'left" name="scale" value="0" readonly type="hidden" title="Current Magnification %" size="0">'
 +styfl+'right" value="A-" type="hidden" title="Zoom Out 25%" onMouseDown="zoomNext(-25)">'
 +styfl+'right" value="Reset" type="button" title="Reset Zoom" onMouseDown="zoomTags(100)">'
 +styfl+'right" value="Zoom +" type="button" title="Zoom In A++" onMouseDown="zoomNext(25)"></form>'
 document.write(wk)
}

if (navigator.appName.indexOf("Microsoft")!=-1) scale()