// vertical alignment function
function getWindowHeight(){var windowHeight=0;if(typeof(window.innerHeight)=='number'){windowHeight=window.innerHeight}else{if(document.documentElement&&document.documentElement.clientHeight){windowHeight=document.documentElement.clientHeight}else{if(document.body&&document.body.clientHeight){windowHeight=document.body.clientHeight}}}return windowHeight}function setContent(){if(document.getElementById){var windowHeight=getWindowHeight();if(windowHeight>0){var contentElement=document.getElementById('container');var contentHeight=contentElement.offsetHeight;if(windowHeight-contentHeight>0){contentElement.style.position='relative';contentElement.style.top=((windowHeight/2)-(contentHeight/2))+'px'}else{contentElement.style.position='static'}}}}
// call above function
window.onload = function() {setContent();}
window.onresize = function() {setContent();}
// end vertical alignment