var pdfImage = "http://media.corporate-ir.net/media_files/irol/19/198120/redesign/icons/pdf.gif";

var excelImage = "http://media.corporate-ir.net/media_files/irol/19/198120/redesign/icons/xls.gif";

var wordImage = "http://media.corporate-ir.net/media_files/irol/19/198120/redesign/icons/doc.gif";

var emailImage = "http://media.corporate-ir.net/media_files/irol/19/198120/redesign/email_alerts_161009.jpg";

var otherImage = "http://media.corporate-ir.net/media_files/irol/19/198120/redesign/icons/zip.gif";

var xlsImage = "http://media.corporate-ir.net/media_files/irol/19/198120/redesign2012/xls.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 "md_pdf.gif":
				docImages[i].src=pdfImage;
				break;  

			case "pdf.gif":
				docImages[i].src=pdfImage;
				break;         
	
			case "md_xls.gif":
				docImages[i].src=excelImage;
				break;

                        case "word.gif":
				docImages[i].src=wordImage;
				break;

                        case "icon_emailAlert.gif":
				docImages[i].src=emailImage;
				break;

                        case "other.gif":
				docImages[i].src=otherImage;
				break;

                        case "HTML_small.gif":
				docImages[i].src=xlsImage;
				break;

//other

		}
	}
}