Følgende er taget fra
http://javascript.internet.com/user-details/bg-based-on-screen-resolution.htmlOg sku gerne være løsningen på dit "problem"
<!-- ONE STEP TO INSTALL BG BASED ON SCREEN RESOLUTION:
1. Copy the coding into the HEAD of your HTML document -->
<!-- STEP ONE: Paste this code into the HEAD of your HTML document -->
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!!
http://javascript.internet.com -->
<!-- Original: Hamid F. Fard (hamid@petanet.com ) -->
<!-- Web Site:
http://www.petanet.com -->
<!-- Begin
var ScrnSize = "UnCommon"
if (navigator.appVersion.indexOf("4.") != -1 &&
navigator.appName.indexOf("Explorer") != -1) {
ScrnSize = screen.width + "x" + screen.height;
}
if (navigator.appVersion.indexOf("4.") != -1 &&
navigator.appName.indexOf("Netscape") != -1) {
ScrnSize = screen.width + "x" + (screen.height + 19); //Netscape sees 19 pixels less on Height
}
switch(ScrnSize) {
case "640x480": document.write('<body bgcolor="#FF0000" text="#000000">');
case "800x600": document.write('<body bgcolor="#00FF00" text="#000000">');
case "1024x768": document.write('<body bgcolor="#0000FF" text="#000000">');
case "1152x864": document.write('<body bgcolor="#FFFF00" text="#000000">');
case "1280x1024": document.write('<body bgcolor="#AA0000" text="#000000">');
case "1600x1200": document.write('<body bgcolor="#FF00FF" text="#000000">');
case "1600x1280": document.write('<body bgcolor="#00AA00" text="#000000">');
default: document.write('<body bgcolor="#FFFFFF" text="#000000">');
}
// The following 3 lines are for display only. They can safely be removed.
document.write('Browser Type=' + navigator.appName + '<BR>');
document.write('Browser Version=' + navigator.appVersion + '<BR>');
document.write('Screen Resolution=' + screen.width + "x" + screen.height);
// End -->
</script>
<p><center>
<font face="arial, helvetica" size"-2">Free JavaScripts provided<br>
by <a href="
http://javascriptsource.com">The JavaScript Source</a></font>
</center><p>
<!-- Script Size: 2.00 KB -->