var myWidth = 0;
var myHeight = 0;

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


var nav4 = window.Event ? true : false;
var positionH = 0
var positionV = 0

if (nav4) // Navigator 4.0x
document.captureEvents(Event.MOUSEMOVE);
document.onmousemove = laLocation;

function laLocation(e)
{
  if (nav4)
  {
      positionH = e.pageX;
      positionV = e.pageY;
  }
  else
  {
      positionH = (event.clientX + document.body.scrollLeft);
      positionV = (event.clientY + document.body.scrollTop);
	  //window.status = "X : " + positionH + "   y : " + positionV;
  }
  
  
  if (positionH >= ((myWidth - 677) / 2) + 677 || positionV >= 280)
  	{
  	//alert("aaaaa");
	window.document.Header.SetVariable("products", "");
	window.document.Header.SetVariable("services", "");
	window.document.Header.SetVariable("casestu", "");
	window.document.Header.SetVariable("career", "");
	window.document.Header.SetVariable("logo", "");
	window.document.Header.SetVariable("home", "");
	window.document.Header.SetVariable("company", "");		
	}
}