function getClientWidth() {
       return document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientWidth:document.body.clientWidth;
     }
     
     function getClientHeight() {
       return document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientHeight:document.body.clientHeight;
     }
     
	var Pic = new Array()
	Pic[0] = 'images/1920x1200_DSBBaggrund.jpg'
	Pic[1] = 'images/1680x1050_DSBBaggrund.jpg'
	Pic[2] = 'images/1440x900_DSBBaggrund.jpg'
	Pic[3] = 'images/1280x1024_DSBBaggrund.jpg'
	Pic[4] = 'images/1024x768_DSBBaggrung.jpg'

	function SetHeight(HeightX) {
			if ( HeightX >= 1920 ) {
				return 0;
			} else if ( HeightX >= 1680 ) {
				return 0;
			} else if ( HeightX >= 1440 ) {
				return 1;
			} else if ( HeightX >= 1280 ) {
				return 2;
			} else if ( HeightX >= 1024 ) {
				return 3;
			} else {
				return 4;
			}
	}

     function SetBackImg() {
     	WinX = getClientWidth();
     	WinY = getClientHeight();

     	MinX=SetHeight(WinX);
     	if ( WinY <= 768 ) {
	     	MinY=4
     	} else if ( WinY <= 1024 ) {
	     	MinY=3
     	} else if ( WinY <= 900 ) {
	     	MinY=2
     	} else if ( WinY <= 1050 ) {
	     	MinY=1
     	} else if ( WinY <= 1200 ) {
	     	MinY=0
     	} else if ( WinY > 1200 ) {
	     	MinY=0
     	}
     	Min = MinX
     	if (MinY<MinX) { Min = MinY }

     	if (MinY==3 && MinX==2) { Min = 1}

     	image = Pic[Min];
//     	alert(WinX+' '+WinY+' '+MinX+' '+MinY+' '+image);

		if (document.body){
			document.body.background = image;
		}
     }