$(document).ready(function() {

function imageresize() {
var contentwidth = $('body').width();
if ((contentwidth) > '1500'){
$('.fluidimage').attr("id","bgWrapperLg");
} else if ((contentwidth) > '1100'){
$('.fluidimage').attr("id","bgWrapperSml");
} else {
$('.fluidimage').attr("id","bgWrapperNone");
}
}

imageresize();//Triggers when document first loads    

$(window).bind("resize", function(){//Adjusts image when browser resized
imageresize();
});

});