//escaration
var navEsArraySize = 9;
var navEsArray = new Array(navEsArraySize);
var navEsArray_hi = new Array(navEsArraySize);

// initialise array
for(var i=0; i<navEsArraySize; i=i+1) {
	navEsArray[i] = new Image();
	navEsArray_hi[i] = new Image();
}

// load images to array
navEsArray[0].src    = "../es/pictures/navi_2company.jpg"
navEsArray_hi[0].src = "../es/pictures/navi_2company_hi.jpg"
navEsArray[1].src    = "../es/pictures/navi_2products.jpg"
navEsArray_hi[1].src = "../es/pictures/navi_2products_hi.jpg"
navEsArray[2].src    = "../es/pictures/navi_2services.jpg"
navEsArray_hi[2].src = "../es/pictures/navi_2services_hi.jpg"
navEsArray[3].src    = "../es/pictures/navi_2contact.jpg"
navEsArray_hi[3].src = "../es/pictures/navi_2contact_hi.jpg"
navEsArray[4].src    = "../es/pictures/navi_3ab_organisation.jpg"
navEsArray_hi[4].src = "../es/pictures/navi_3ab_organisation_hi.jpg"
navEsArray[5].src    = "../es/pictures/navi_3ac_customers.jpg"
navEsArray_hi[5].src = "../es/pictures/navi_3ac_customers_hi.jpg"
navEsArray[6].src    = "../es/pictures/navi_3bb_globalsourcing.jpg"
navEsArray_hi[6].src = "../es/pictures/navi_3bb_globalsourcing_hi.jpg"
navEsArray[7].src    = "../es/pictures/navi_3bc_knowhow.jpg"
navEsArray_hi[7].src = "../es/pictures/navi_3bc_knowhow_hi.jpg"
navEsArray[8].src    = "../es/pictures/navi_3bd_quality.jpg"
navEsArray_hi[8].src = "../es/pictures/navi_3bd_quality_hi.jpg"


// functions
function navesroll_in (imgName, arrayelement) {
	window.document[imgName].src = navEsArray_hi[arrayelement].src;				
}

function navesroll_out (imgName, arrayelement) {
	window.document[imgName].src = navEsArray[arrayelement].src;				
}