var printImage = "http://media.corporate-ir.net/media_files/IROL/11/113226/investors_printer.gif";
var webcastImage = "http://media.corporate-ir.net/media_files/IROL/11/113226/investors_webcast.gif";


 
 

 function swapImages()
 {
 	
 	var docImages = document.getElementsByTagName("img");
     
	 
	 for(var i = 0; i < docImages.length; i++)
	 {
	 	
		var tempImage = docImages[i].src;
		var imageName = tempImage.substr(tempImage.lastIndexOf("/") + 1);
		
		switch(imageName)
		{
		
		case "microphone2.gif":
			docImages[i].src=webcastImage;
			break;

                case "microphone_small.gif":
			docImages[i].src=webcastImage;
			break;		
		
		case "printer.gif":
			docImages[i].src=printImage;
			break;
			
		
	 	}
	 }
	
 
 }