var browsr="firefox";
	    if (navigator.appName=="Microsoft Internet Explorer" && navigator.platform=="Win32")  browsr="IE32";
	    if (navigator.appName=="Microsoft Internet Explorer" && navigator.platform=="MacPPC") browsr="IEMac";
	    if (navigator.appName=="Netscape" && navigator.platform=="Win32")  browsr="firefox";
	    if (navigator.appName=="Netscape" && navigator.platform=="MacPPC") browsr="safari";

	    var bHeight   = {'safari':18,  'IE32':17,  'firefox':17,  'IEMac':26 };
	    var bWidth    = {'safari':148, 'IE32':148, 'firefox':148, 'IEMac':153};
	    var bTop      = {'safari':26,  'IE32':25,  'firefox':25,  'IEMac':26 };
	    var bBlockTop = {'safari':23,  'IE32':22,  'firefox':22,  'IEMac':23 };
    
	    MENU_TPL[0]['height'] = bHeight[browsr];		// 18, 18, 18, 26
	    MENU_TPL[0]['width']  = bWidth[browsr];     	// 148, 153, 148, 153
	 	MENU_TPL[1]['top']    = bTop[browsr];   		// 26- sarfie ,25- IE windows; , 26- firefox, IE on Mac ;distance between blocks
	 	MENU_TPL[1]['block_top'] = bBlockTop[browsr];  // ??, 22, 23, 23 ; distance of top drop down box from menu box