var jswidth = screen.width;
if (jswidth==800) document.write("<div id='shell' style='width:970;'>");
else if (jswidth==1024) document.write("<div id='shell' style='width:970px;left:15px; '>");
else if (jswidth==1152) document.write("<div id='shell' style='width:970px;left:80px;'>");
else if (jswidth==1280) document.write("<div id='shell' style='width:970px;left:140px;'>");
else if (jswidth==1366) document.write("<div id='shell' style='width:970px;left:200px;'>");
else if (jswidth==1382) document.write("<div id='shell' style='width:970px;left:180px;'>");
else if (jswidth==1440) document.write("<div id='shell' style='width:970px;left:230px;'>");
else if (jswidth==1600) document.write("<div id='shell' style='left:328px;'>")
else if (jswidth==1680) document.write("<div id='shell' style='left:375px;'>")
else document.write("<div id='shell' style='width:63%;'>");