ie=document.all?1:0;
n=document.layers?1:0;
dom=document.getElementById?1:0;

function preload(imgObj,imgSrc) {
	if (document.images) {
		eval(imgObj+' = new Image()')
		eval(imgObj+'.src = "'+imgSrc+'"')
	}
}


preload('markerOn','http://media.corporate-ir.net/media_files/irol/10/102442/images/marker.gif');
preload('markerOff','http://media.corporate-ir.net/media_files/irol/10/102442/images/spacer.gif');

preload('productsOn','http://media.corporate-ir.net/media_files/irol/10/102442/images/nav_products_on.gif');
preload('productsOff','http://media.corporate-ir.net/media_files/irol/10/102442/images/nav_products_off.gif');
preload('indicationsOn','http://media.corporate-ir.net/media_files/irol/10/102442/images/nav_indications_on.gif');
preload('indicationsOff','http://media.corporate-ir.net/media_files/irol/10/102442/images/nav_indications_off.gif');
preload('companyOn','http://media.corporate-ir.net/media_files/irol/10/102442/images/nav_company_on.gif');
preload('companyOff','http://media.corporate-ir.net/media_files/irol/10/102442/images/nav_company_off.gif');
preload('internationalOn','http://media.corporate-ir.net/media_files/irol/10/102442/images/nav_international_on.gif');
preload('internationalOff','http://media.corporate-ir.net/media_files/irol/10/102442/images/nav_international_off.gif');
preload('contactOn','http://media.corporate-ir.net/media_files/irol/10/102442/images/nav_contact_on.gif');
preload('contactOff','http://media.corporate-ir.net/media_files/irol/10/102442/images/nav_contact_off.gif');
preload('sitemapOn','http://media.corporate-ir.net/media_files/irol/10/102442/images/nav_sitemap_on.gif');
preload('sitemapOff','http://media.corporate-ir.net/media_files/irol/10/102442/images/nav_sitemap_off.gif');
preload('markerOn','http://media.corporate-ir.net/media_files/irol/10/102442/images/marker.gif');
preload('markerOff','http://media.corporate-ir.net/media_files/irol/10/102442/images/spacer.gif');

preload('patientsOn','http://media.corporate-ir.net/media_files/irol/10/102442/images/navtab_patients_on.gif');
preload('patientsOff','http://media.corporate-ir.net/media_files/irol/10/102442/images/navtab_patients_off.gif');
preload('physiciansOn','http://media.corporate-ir.net/media_files/irol/10/102442/images/navtab_physicians_on.gif');
preload('physiciansOff','http://media.corporate-ir.net/media_files/irol/10/102442/images/navtab_physicians_off.gif');
preload('investorsOn','http://media.corporate-ir.net/media_files/irol/10/102442/images/navtab_investors_on.gif');
preload('investorsOff','http://media.corporate-ir.net/media_files/irol/10/102442/images/navtab_investors_off.gif');
preload('tabaState1','http://media.corporate-ir.net/media_files/irol/10/102442/images/navtab_div1a.gif');
preload('tabaState2','http://media.corporate-ir.net/media_files/irol/10/102442/images/navtab_div1b.gif');
preload('tabaState3','http://media.corporate-ir.net/media_files/irol/10/102442/images/navtab_div1c.gif');
preload('tabbState1','http://media.corporate-ir.net/media_files/irol/10/102442/images/navtab_div2a.gif');
preload('tabbState2','http://media.corporate-ir.net/media_files/irol/10/102442/images/navtab_div2b.gif');
preload('tabbState3','http://media.corporate-ir.net/media_files/irol/10/102442/images/navtab_div2c.gif');


function imgSwap(layer,imgName,imgObj) {
	if (document.images) {
		if (document.layers && layer!=null) eval('document.'+layer+'.document.images["'+imgName+'"].src = '+imgObj+'.src')
		else document.images[imgName].src = eval(imgObj+".src")
	}
}