<script language="JavaScript" type="text/JavaScript">
<!--
var imgObj;
function checkImg(theURL,winName){
if (typeof(imgObj) == "object"){
// Whether the image height and width have been obtained
if (( != 0) && ( != 0))
// Set the height and width of the pop-up window according to the obtained image height and width, and open the window
// The increments 20 and 30 are the intervals between the window border and the picture set
OpenFullSizeWindow(theURL,winName, ",width=" + (+20) + ",height=" + (+30));
else
// Because it is impossible to get the width and height of the image immediately through the Image object, the check is called repeatedly every 100 milliseconds.
setTimeout("checkImg('" + theURL + "','" + winName + "')", 100)
}
}
function OpenFullSizeWindow(theURL,winName,features) {
var aNewWin, sBaseCmd;
// Popup window appearance parameters
sBaseCmd = "toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,";
// Whether the call comes from checkIng
if (features == null || features == ""){
// Create image objects
imgObj = new Image();
// Set the image source
= theURL;
// Start getting image size
checkImg(theURL, winName)
}
else{
// Open the window
aNewWin = (theURL,winName, sBaseCmd + features);
// Focus window
();
}
}
//-->
</script>
When using it, place the above code in the <head></head> tag pair of the web document, and then call the OpenFullSizeWindow function in the link click event, such as <a href="" onClick="OpenFullSizeWindow(,'','');return false"><img src=""></a>