window.onload = function(){
	
if(!document.body || !document.body.style) return;



var x,d=document,imagePath;
if(self.innerHeight){ // all except IE
x=screen.width;
} else {
var dE=d.documentElement; // IE6+ in Standards mode
if((!dE || !dE.clientHeight) && d.body) dE=d.body; // other IE
if(dE && dE.clientHeight){
x=screen.width;
}
}
if(x < 1000){
imagePath = 'images/BG-Update_1024.jpg';

}else if(x >= 2460){
imagePath = 'images/Background-Update.jpg';

}else if(x >= 2000){
imagePath = 'images/Background-Update.jpg';

}else if(x >= 1920){
imagePath = 'images/Background-Update.jpg';

}else if(x >= 1800){
imagePath = 'images/Background-Update.jpg';

}else if(x >= 1500){
imagePath = 'images/BG-Update_1600.jpg';

}else if(x >= 1300){
imagePath = 'images/BG-Update_1400.jpg';

}else if(x >= 1180){
imagePath = 'images/BG-Update_1280.jpg';

}else if(x >= 1050){
imagePath = 'images/BG-Update_1152.jpg';

} else {
imagePath = 'images/Background-Update.jpg';
}
document.body.style.backgroundImage = 'url('+imagePath+')';
}