Vertical Viewport Without Scrollbars?

Apr 25, 2007

I'm looking for an solution to find out the real vertical viewport -
without the height of horizontal scrollbars.

I have two frames side by side. The left one declared 'scrolling="no"'
and the right one 'scrolling="auto"'. For the left frame it is important
to know if the right frame has a horizontal scrollbar and how sick it
is. So I have tried to compare the viewport of both frames.

Using 'window.innerHeight', 'document.documentElement.clientHeight',
'document.body.clientHeight' or 'document.body.offsetWidth' I get the
height including the scrollbars.

The same problem with two frames (rows="50%,50%) i've solved with block
elements declared with a width of 100%. Comparing the offsetWidth of
both, I can see if there is a scrollbar in one frame. But with frames
side by side that doesn't work.

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<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-

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Jul 20, 2005

IE6 in standards mode doesn't seem to hide scrollbars on the body element
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implement scrollbars (as a side note, Gecko browsers with their notoriously
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scroll divs, even when the page is reloaded on every resize!)

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Jun 22, 2003

This code is for an external, homemade scroolbar set, requiring 8 images:

arrowDown_on.gif --Active Button used when scrolling down (down arrow) http://www.boomspeed.com/buzz_killr_x/arrowDown_on.gif

arrowDown_off.gif --Inactive Button http://www.boomspeed.com/buzz_killr_x/arrowDown_off.gif

arrowUp_on.gif --Active Button used when scrolling up (up arrow) http://www.boomspeed.com/buzz_killr_x/arrowUp_on.gif

arrowUp_off.gif --Inactive Button http://www.boomspeed.com/buzz_killr_x/arrowUp_off.gif

arrowTop_on.gif --Active Button used to go straight to top of page (bigger up arrow) http://www.boomspeed.com/buzz_killr_x/arrowTop_on.gif

arrowTop_off.gif --Inactive Button http://www.boomspeed.com/buzz_killr_x/arrowTop_off.gif

arrowBottom_on.gif --Active Button used to go straight to bottom of page (bigger down arrow) http://www.boomspeed.com/buzz_killr_x/arrowBottom_on.gif

arrowBottom_off.gif --Inactive Arrow http://www.boomspeed.com/buzz_killr_x/arrowBottom_off.gif


<script>
var newWindow = null;
var scrolling = 0;// Controls whether the layer is scrollin or not
var yT = 25;// Pixel position the top of the scrolling layer should be set to
var lT = 25;// Initial position for the top of the layer
var yI = 5;// Increment that the scrolling layer should move at
var yH = 0;
var domStyle;// Stores the generic DOM for the scrolling layer to access style properties
var dom;// Stores the generic DOM for the scrolling layer
var isDHTML = 0;
var isLayers = 0;
var isAll = 0;
var isID = 0;

if (document.images){
imag = new Array();

imag[0] = "media/arrowUp_off.gif";
imag[1] = "media/arrowUp_on.gif";

imag[2] = "media/arrowDown_off.gif";
imag[3] = "media/arrowDown_on.gif";

imag[4] = "media/arrowTop_off.gif";
imag[5] = "media/arrowTop_on.gif";

imag[6] = "media/arrowBottom_off.gif";
imag[7] = "media/arrowBottom_on.gif";

im = new Array();
for (var i = 0; i < imag.length; i++)
{
im[i] = new Image();
im[i].src = imag[i];
}
}

if (document.getElementById) {isID = 1; isDHTML = 1;}
else {
if (document.all) {isAll = 1; isDHTML = 1;}
else {
browserVersion = parseInt(navigator.appVersion);
if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4)) {isLayers = 1; isDHTML = 1;}
}}


var isIE = 0;

if (navigator.appName.indexOf('Microsoft Internet Explorer') != -1) {isIE = 1;}

var xC = 5;
var theDelay = 0;
var frameRateMax = 48;
varframeRate = 1;

function scrollPageTo(xN) {

if (xC > xN) {
xC = xC - frameRate;
posDif = (xC - xN)/(frameRate/2);
if (xC < xN) { frameRate = 1; return; }
}
else {
xC = xC + frameRate;
posDif = (xN - xC)/(frameRate/2);
if (xC > xN) { frameRate = 1; return; }
}
if (isIE) {
document.body.scrollLeft = xC;
}
else {
scrollTo(xC,0);
}
if ((posDif >= frameRateMax) && (frameRate != frameRateMax)) frameRate = frameRate + 1;
else if (frameRate > 1) frameRate = frameRate - 2;
setTimeout ('scrollPageTo(' + xN + ')',theDelay);
}



function findDOM(objectID1,objectID2,withStyle) {
if (withStyle == 1) {
if (isID) { return (document.getElementById(objectID2).style) ; }
else {
if (isAll) { return (document.all[objectID2].style); }
else {
if (isLayers) {
if (objectID1) { return (document.layers[objectID1].layers[objectID2]); }
else { return (document.layers[objectID2]); }
}
};}
}
else {
if (isID) { return (document.getElementById(objectID2)) ; }
else {
if (isAll) { return (document.all[objectID2]); }
else {
if (isLayers) {
if (objectID1) { return (document.layers[objectID1].layers[objectID2]); }
else { return (document.layers[objectID2]); }
}
};}
}
}


function openWindow(contentURL,windowName,windowWidth,windowHeight) {
widthHeight = 'height=' + windowHeight + ',width=' + windowWidth + ',scrollbars=yes'
newWindow = window.open(contentURL,windowName,widthHeight);
newWindow.focus()
}

function closeWindow() {
if (newWindow != null) {
newWindow.close();
newWindow = null;
}
}
function startScroll(objectID1,objectID2,direction) {
domStyle = findDOM(objectID1,objectID2,1);
dom = findDOM(objectID1,objectID2,0);
scrolling = 1;
yT = domStyle.top;
if (document.getElementById) {
pxLoc = yT.indexOf('px');
if (pxLoc >= 1) yT = yT.substring(0,pxLoc);
}
if (window.innerHeight != null)
yH = window.innerHeight - 25;
else
yH = document.body.clientHeight - 25;
if (dom.offsetHeight != null)
yH = yH - dom.offsetHeight;
else
yH = yH - dom.clip.height;
scroll(direction);
}

function scroll(direction) {
if (scrolling == 1) {
if ((direction == 1) && (yT <= lT)) {
yT = (yT/1) + yI;
if (yT > lT) yT = lT;
domStyle.top = yT;
}
else {
if ((direction == 0) && (yT >= yH)) {
yT -= yI;
if (yT < yH) yT = yH;
domStyle.top = yT; }
}
if (document.getElementById) {
yT = domStyle.top;
pxLoc = yT.indexOf('px');
if (pxLoc >= 1) yT = yT.substring(0,pxLoc);
}
code2run = 'scroll('+ direction + ')'
setTimeout(code2run,0);
}
return false;
}

function stopScroll() {
scrolling = 0;
dom = null;
domStyle = null;
return false;
}

function URB(objectID1,objectID2) {
domStyle = findDOM(objectID1,objectID2,1);
dom = findDOM(objectID1,objectID2,0);
if (window.innerHeight != null)
yH = window.innerHeight - 25;
else
yH = document.body.clientHeight - 25;
if (dom.offsetHeight != null)
yH = yH - dom.offsetHeight;
else
yH = yH - dom.clip.height;
domStyle.top = yH;
dom = null;
domStyle = null;
}

function URT(objectID1,objectID2) {
domStyle = findDOM(objectID1,objectID2,1);
domStyle.top = lT;
dom = null;
domStyle = null;
}

function toggle(imgName,num){
if (document.images && imgName){
imgName.src = im[num].src;
}
return false;
}
</script>

**Please do not use my images, as they were provided for examples only.

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in the parent window, i have some objects that will release a pop-up window. in the pop-up window you can make various changes that will affect the database. to see those changes in the parent window, i need to refresh...right?

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Is there anyway to detect if scrollbars were made visible in a
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After i open a new window can i show scrollbars ???
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Something like :

xxx(a,b) {
if (a < b){
self.scrollbars = true;
} else {
self.scrollbars = false;
}}

well, the example does not work, but is there a way to do something like
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i use netscape 7 and want to hide the scrollbars of the window when
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....

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