if (document.images) {
		comm = new Image
		comm_RO = new Image
          inst = new Image
		inst_RO = new Image
		res = new Image
		res_RO = new Image
		qual = new Image
		qual_RO = new Image


		comm.src = "images/homecallouts/home_comm.jpg"
		comm_RO.src = "images/homecallouts/home_comm_RO.jpg"
		inst.src = "images/homecallouts/home_inst.jpg"
		inst_RO.src = "images/homecallouts/home_inst_RO.jpg"
          res.src = "images/homecallouts/home_res.jpg"
		res_RO.src = "images/homecallouts/home_res_RO.jpg"
		qual.src = "images/homecallouts/home_qual.jpg"
		qual_RO.src = "images/homecallouts/home_qual_RO.jpg"
	}
	
	function chgImg(imgField,newImg) {
		if (document.images) {
			document[imgField].src= eval(newImg + ".src")
		}
	}