// JavaScript Document


function getScreen() {
  var myWidth = 0, myHeight = 0;
  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;
  }
  return [myWidth, myHeight];
  
}

function setBackground() {
 	var a = getScreen();
	var myWidth = a[0], myHeight = a[1];
  	//window.alert( 'Width = ' + myWidth );
 	//window.alert( 'Height = ' + myHeight );
 
	bg_width = (myWidth * 1.00);
	bg_height = (myHeight * 1.00);
	
	var NewWidth = bg_width;
 	var NewHeight = Math.round(NewWidth * .667);
	
	if (document.getElementById) {
	
		if (myWidth>1000 && document.getElementById("bg_image")) {
			document.getElementById("bg_image").width = NewWidth;
			document.getElementById("bg_image").height = NewHeight;
			
		}
	}
	
	//changeOpac(100, 'bg_image');
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
    if (document.getElementById(id)) {
		var object = document.getElementById(id).style;
		object.opacity = (opacity / 100);
		object.MozOpacity = (opacity / 100);
		object.KhtmlOpacity = (opacity / 100);
		object.filter = "alpha(opacity=" + opacity + ")";
	}
} 


function afterLoad() { 
	setBackground(); 
	var thediv = document.getElementById("background");
	thediv.style.opacity = 100;
}