nav_aboutus_off=new Image(); nav_aboutus_off.src="images/nav_aboutus.gif"
nav_aboutus_on=new Image(); nav_aboutus_on.src="images/nav_aboutus_on.gif"

nav_ourclients_off=new Image(); nav_ourclients_off.src="images/nav_ourclients.gif"
nav_ourclients_on=new Image(); nav_ourclients_on.src="images/nav_ourclients_on.gif"

nav_exhibitionstands_off=new Image(); nav_exhibitionstands_off.src="images/nav_exhibitionstands.gif"
nav_exhibitionstands_on=new Image(); nav_exhibitionstands_on.src="images/nav_exhibitionstands_on.gif"

nav_productlaunches_off=new Image(); nav_productlaunches_off.src="images/nav_productlaunches.gif"
nav_productlaunches_on=new Image(); nav_productlaunches_on.src="images/nav_productlaunches_on.gif"

nav_presentationsandconferences_off=new Image(); nav_presentationsandconferences_off.src="images/nav_presentationsandconferences.gif"
nav_presentationsandconferences_on=new Image(); nav_presentationsandconferences_on.src="images/nav_presentationsandconferences_on.gif"

nav_openairlighting_off=new Image(); nav_openairlighting_off.src="images/nav_openairlighting.gif"
nav_openairlighting_on=new Image(); nav_openairlighting_on.src="images/nav_openairlighting_on.gif"

nav_theatricalevents_off=new Image(); nav_theatricalevents_off.src="images/nav_theatricalevents.gif"
nav_theatricalevents_on=new Image(); nav_theatricalevents_on.src="images/nav_theatricalevents_on.gif"

nav_rockandroll_off=new Image(); nav_rockandroll_off.src="images/nav_rockandroll.gif"
nav_rockandroll_on=new Image(); nav_rockandroll_on.src="images/nav_rockandroll_on.gif"

nav_videoproduction_off=new Image(); nav_videoproduction_off.src="images/nav_videoproduction.gif"
nav_videoproduction_on=new Image(); nav_videoproduction_on.src="images/nav_videoproduction_on.gif"

nav_displaysystemssale_off=new Image(); nav_displaysystemssale_off.src="images/nav_displaysystemssale.gif"
nav_displaysystemssale_on=new Image(); nav_displaysystemssale_on.src="images/nav_displaysystemssale_on.gif"

nav_displaysystemshire_off=new Image(); nav_displaysystemshire_off.src="images/nav_displaysystemshire.gif"
nav_displaysystemshire_on=new Image(); nav_displaysystemshire_on.src="images/nav_displaysystemshire_on.gif"

nav_avandstagesale_off=new Image(); nav_avandstagesale_off.src="images/nav_avandstagesale.gif"
nav_avandstagesale_on=new Image(); nav_avandstagesale_on.src="images/nav_avandstagesale_on.gif"

nav_avandstagehire_off=new Image(); nav_avandstagehire_off.src="images/nav_avandstagehire.gif"
nav_avandstagehire_on=new Image(); nav_avandstagehire_on.src="images/nav_avandstagehire_on.gif"

nav_contactus_off=new Image(); nav_contactus_off.src="images/nav_contactus.gif"
nav_contactus_on=new Image(); nav_contactus_on.src="images/nav_contactus_on.gif"

function swapImg(img, state) {
	eval('document.images[img].src= ' + img + state + '.src')
}

function displayImage(url, width, height) {
	var imgWin = window.open('pictures_win.html?' + escape(url), url.substr(0, url.length-4), 'scrollbars=0,status=0,resizable=0,top=120,left=120,width=' + width + ',height='+ height)  
}