agent = navigator.userAgent
Ver = BrowserVersion();
if (Ver == 1) {

no1 = new Image;
no1.src = "grafix/bel_nav_no.gif";
ro1 = new Image;
ro1.src = "grafix/bel_nav_ro.gif";

no2 = new Image;
no2.src = "grafix/dat_nav_no.gif";
ro2 = new Image;
ro2.src = "grafix/dat_nav_ro.gif";

no3 = new Image;
no3.src = "grafix/son_nav_no.gif";
ro3 = new Image;
ro3.src = "grafix/son_nav_ro.gif";

no4 = new Image;
no4.src = "grafix/imp_nav_no.gif";
ro4 = new Image;
ro4.src = "grafix/imp_nav_ro.gif";

}

function BrowserVersion()

{ var version_back = 0;
          
        if (document.images)
		{
		 version_back=1;
		}
		 else 
		{
		 version_back=0;
		}
		
return version_back; }

function hiLite(imgDocID,imgObjName) { 
if (Ver == 1) {
        document.images[imgDocID].src = eval(imgObjName + ".src")
        }
}