var myWidth = 0;
var myHeight = 0;

function determineSize() {
// determines the inner size of the browser window
  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;
  }
}




function positionContent() {
	topY = Math.floor(myHeight / 2) - 315;
		// 315 pixels is half of the height of the content
	if (topY < 2) {
		topY = 2; // if by this calculation the top of the content would be off the top of the screen, instead place it just below the top
	}
	leftX = Math.floor(myWidth / 2) - 480;
		// 480 pixels is half of the width of the content
	if (leftX < 2) {
		leftX = 2;
	}
	topY += "px";
	leftX += "px";
	document.getElementById("contentwrapper").style.top = topY;
	document.getElementById("contentwrapper").style.left = leftX;
}




function preloadRollOvers() {
	im1r = new Image;
	im1r.src = "images/northwest_fashion_media_text_style.jpg";
	im2r = new Image;
	im2r.src = "images/photography_style.jpg";
	im3r = new Image;
	im3r.src = "images/video_production_style.jpg";
	im4r = new Image;
	im4r.src = "images/web_design_style.jpg";
	im5r = new Image;
	im5r.src = "images/media_marketing_style.jpg";
	im6r = new Image;
	im6r.src = "images/nwfashionmedia_email_style.jpg";
}




function preloadPhotoPageLinkImg() {
	photoLink = new Image;
	photoLink.src = "images/photography_examples_style.jpg";
	photoSamples = new Image;
	photoSamples.src = "images/fashion_photography_samples/perspective.jpg";
}


function preloadVideoPageLinkImg() {
	vidLink = new Image;
	vidLink.src = "images/video_bottom_link_style.jpg";
}


function preloadWebPageLinkImg() {
	webLink = new Image;
	webLink.src = "images/web_bottom_link_style.jpg";
}