function setSrc(link, src) {link.src = src;};

function DenyPostBack(evt)
{
    if (evt.keyCode == 13)
    {        
        evt.returnValue=false;
    }
};

function CleanHidden()
{
    if (document.forms[0].hiddenString != null && document.forms[0].hiddenId != null)
    {
        document.forms[0].hiddenString.value='';
	    document.forms[0].hiddenId.value='';
	}
}