var aImgPreloader = new Array;


aImgPreloader[aImgPreloader.length] = new Array('pw_employeelogin',urlRoot+'pw_employeelogin.gif',urlRoot+'pw_employeelogin_mo.gif');

aImgPreloader[aImgPreloader.length] = new Array('pw_cspcryogenics',urlRoot+'pw_cspcryogenics.gif',urlRoot+'pw_cspcryogenics_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('pw_chemicalsealandpacking',urlRoot+'pw_chemicalsealandpacking.gif',urlRoot+'pw_chemicalsealandpacking_mo.gif');

aImgPreloader[aImgPreloader.length] = new Array('pw_oilandgas',urlRoot+'pw_oilandgas.gif',urlRoot+'pw_oilandgas_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('pw_industrialcryogenic',urlRoot+'pw_industrialcryogenic.gif',urlRoot+'pw_industrialcryogenic_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('pw_petrochemical',urlRoot+'pw_petrochemical.gif',urlRoot+'pw_petrochemical_mo.gif');

aImgPreloader[aImgPreloader.length] = new Array('pw_recruitment',urlRoot+'pw_recruitment.gif',urlRoot+'pw_recruitment_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('pw_customerlogin',urlRoot+'pw_customerlogin.gif',urlRoot+'pw_customerlogin_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('pw_newsandinformation',urlRoot+'pw_newsandinformation.gif',urlRoot+'pw_newsandinformation_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('pw_onlineordering',urlRoot+'pw_onlineordering.gif',urlRoot+'pw_onlineordering_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('pw_contact',urlRoot+'pw_contact.gif',urlRoot+'pw_contact_mo.gif');

aImgPreloader[aImgPreloader.length] = new Array('More_About_Chemical_Seal_and_Packing',urlRoot+'More_About_Chemical_Seal_and_Packing.gif',urlRoot+'More_About_Chemical_Seal_and_Packing_mo.gif');
aImgPreloader[aImgPreloader.length] = new Array('More_About_CSP_Cryogenics',urlRoot+'More_About_CSP_Cryogenics.gif',urlRoot+'More_About_CSP_Cryogenics_mo.gif');

// load up image container object based on previous array
var oImgContainer = new Object;
for(i=0;i<aImgPreloader.length;i++){
	if(document.images){
		oImgContainer[aImgPreloader[i][0]] = new Image;
		oImgContainer[aImgPreloader[i][0]].src = aImgPreloader[i][1];
		oImgContainer[aImgPreloader[i][0] + 'On'] = new Image;
		oImgContainer[aImgPreloader[i][0] + 'On'].src = aImgPreloader[i][2];
	}
}

// rollover function
// image name (sImg) corresponds with aImgPreloader and name attribute of tag
function roll(sImg,bOver){
	if(document.images){
		if (bOver) {
			document.images[sImg].src = oImgContainer[sImg + 'On'].src;
		} else {
			document.images[sImg].src = oImgContainer[sImg].src;


		}
	}
}