jquery position fixed IE6 插件
2012-03-01 18:56 sniper007 阅读(803) 评论(0) 编辑 收藏 举报(function($) {
jQuery.fn.PositionFixed = function(options) {
var defaults = {
x:0, //left
y:0, //top
isAll : false //是否最大化 我后加的
};
var o = jQuery.extend(defaults, options);
var isIe6=false; //is ie ? yes:ie no: not ie
if($.browser.msie && parseInt($.browser.version)==6)
isIe6=true;
var html= $('html');
if (isIe6 && html.css('backgroundAttachment') !== 'fixed') {
html.css('backgroundAttachment','fixed')
};
return this.each(function() {
var domThis=$(this)[0];
var objThis=$(this);
if(isIe6)
{
var left = parseInt(o.x) - html.scrollLeft(),
top = parseInt(o.y) - html.scrollTop();
objThis.css('position' , 'absolute');
domThis.style.setExpression('left', 'eval((document.documentElement).scrollLeft + ' + o.x + ') + "px"');
domThis.style.setExpression('top', 'eval((document.documentElement).scrollTop + ' + o.y + ') + "px"');
function _resize(){
var w = $(window),
ww = w.width(),
hh = w.height();
objThis.css({
width : ww,
height : hh
});
}
if(o.isAll){
_resize();
$(window).bind({
"resize" : _resize,
"scroll" : _resize
});
}
}
else
{
objThis.css('position' , 'fixed').css('top',o.y).css('left',o.x);
}
});
};
})(jQuery)
jQuery.fn.PositionFixed = function(options) {
var defaults = {
x:0, //left
y:0, //top
isAll : false //是否最大化 我后加的
};
var o = jQuery.extend(defaults, options);
var isIe6=false; //is ie ? yes:ie no: not ie
if($.browser.msie && parseInt($.browser.version)==6)
isIe6=true;
var html= $('html');
if (isIe6 && html.css('backgroundAttachment') !== 'fixed') {
html.css('backgroundAttachment','fixed')
};
return this.each(function() {
var domThis=$(this)[0];
var objThis=$(this);
if(isIe6)
{
var left = parseInt(o.x) - html.scrollLeft(),
top = parseInt(o.y) - html.scrollTop();
objThis.css('position' , 'absolute');
domThis.style.setExpression('left', 'eval((document.documentElement).scrollLeft + ' + o.x + ') + "px"');
domThis.style.setExpression('top', 'eval((document.documentElement).scrollTop + ' + o.y + ') + "px"');
function _resize(){
var w = $(window),
ww = w.width(),
hh = w.height();
objThis.css({
width : ww,
height : hh
});
}
if(o.isAll){
_resize();
$(window).bind({
"resize" : _resize,
"scroll" : _resize
});
}
}
else
{
objThis.css('position' , 'fixed').css('top',o.y).css('left',o.x);
}
});
};
})(jQuery)
