function getWindowSize() {
  var myWidth = 0;//, myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
  }
  return myWidth;
}

var browser_type = BrowserDetect.browser;

function getElementsInRow() {
  var num = 0;	
  if (browser_type == "Explorer") {
	num = Math.floor( (getWindowSize() - 32) / 153);
  }
  else {
	num = Math.floor( (getWindowSize() - 49) / 153);
  }
  return num;
}