var pdfImage = "http://media.corporate-ir.net/media_files/irol/14/146476/images/redesign2009/icon-pdf.gif";
 var excelImage = "http://media.corporate-ir.net/media_files/irol/14/146476/images/redesign2009/icon-xls.gif";
 var wordImage = "http://media.corporate-ir.net/media_files/irol/14/146476/images/redesign2009/icon-doc.gif";
 var xbrlImage = "http://media.corporate-ir.net/media_files/IROL/14/146476/icon_XBRL_ON.gif";
 var pdfOffImage = "http://media.corporate-ir.net/media_files/irol/14/146476/images/redesign2009/PDF.png";
 var excelOffImage = "http://media.corporate-ir.net/media_files/irol/14/146476/images/redesign2009/excel.png";
 var wordOffImage = "http://media.corporate-ir.net/media_files/irol/14/146476/images/redesign2009/word.png";
 var xbrlOffImage = "http://media.corporate-ir.net/media_files/IROL/14/146476/icon_XBRL_OFF.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 "pdf.gif":
			docImages[i].src=pdfImage;
			break;		
		
		case "md_pdf.gif":
			docImages[i].src=pdfImage;
			break;
		
		case "pdf_off.gif":
			docImages[i].src=pdfOffImage;
			break;
			
		case "word.gif":
			docImages[i].src=wordImage;
			break;
			
		case "word_off.gif":
			docImages[i].src=wordOffImage;
			break;
		
	    case "excel.gif":
			docImages[i].src=excelImage;
			break;
		case "excel_off.gif":
			docImages[i].src=excelOffImage;
			break;
		case "xbrl.gif":
			docImages[i].src=xbrlImage;
			break;
		case "xbrl_off.gif":
			docImages[i].src=xbrlOffImage;
			break;
	 	}
	 }
 }