thisPic=0
imgCt=myPix.length-1

function chgSlide(direction) {
				 if(document.images) {
				 thisPic=thisPic+direction
				 if(thisPic>imgCt) {
				 thisPic=0
				 }
 				 if(thisPic<0) {
				 thisPic=imgCt
				 }
				 document.getElementById("myPicture").src=myPix[thisPic]
				 }
				 }