function randomImg()
	{
		/*
		var randomNumber = Math.floor(Math.random()*5+1)
		document.getElementById('mainGFX').src = 'fileadmin/template/_GFX/' + randomNumber + '_top.jpg';
		*/	  
		
		var randomImg = new Array();
		randomImg[0]="1_top.jpg";
		randomImg[1]="2_top.jpg";
		randomImg[2]="4_top.jpg";
		randomImg[3]="5_top.jpg";
		
		
		
		var randNo = Math.floor ( Math.random() * randomImg.length ); 
		//document.write(randomImg[randNo]);
		
		document.getElementById('mainGFX').src = 'fileadmin/template/_GFX/' + randomImg[randNo];	
	}