function bgdegis() {
			var resimler= 
			[
				["/images/bg1.jpg","black"],
				["/images/bg2.jpg","black"],
				["/images/bg3.jpg","#3576d0"],
				["/images/bg4.jpg","#4ec0fc"],
				["/images/bg5.jpg","black"],
				["/images/bg6.jpg","black"],
				["/images/bg7.jpg","black"]
			]
			
			
			x=(Math.floor(Math.random()*resimler.length));
			document.getElementById("banner").style.background="url('"+resimler[x][0].toString()+"') top center no-repeat " + resimler[x][1].toString();				
		}
	
	window.onload=bgdegis;