window.onload=resize;
window.onresize=resize; 

function resize() {

var myWidth = 0, myHeight = 0;

if( typeof( window.innerWidth ) == 'number' ) {
    myHeight = window.innerHeight;
  } else if( document.documentElement &&
      ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    myHeight = document.body.clientHeight;
  }

  if(myHeight < winHeight) {
  	myHeight = winHeight
	}
  document.getElementById('content').style.height = myHeight + "px"; 
  
}



function change(img_name,img_src) {
	document[img_name].src='/pics/'+img_src+'.jpg';
}