function overBgcol(navLink)  {
            IdLink = navLink                                     

            thisColour = document.getElementById(IdLink).style

            thisColour.borderWidths = "2px,2px,2px,2px"            
            thisColour.borderColor = "#f5f5f5"
            thisColour.borderStyle = "inset"
            thisColour.backgroundColor = "#88cdf7"
                                                  
            }
            

        function outBgcol(offLink)  {
            outLink = offLink
            thisColour = document.getElementById(outLink).style

            thisColour.borderWidths = "2px,2px,2px,2px"
            thisColour.borderColor = "#f5f5f5"
            thisColour.borderStyle = "outset"
            thisColour.backgroundColor = "#6495ed"


             }