function whatSize() {

    	if (navigator.appName.indexOf('Microsoft') > -1) 
		{
      //explorer
var w = document.body.clientWidth;
offsetleft = (w-737)/2;
     		}

	else 
		{
      //netscape
var w  = window.innerWidth;
offsetleft = (w-737)/2;
      	}
checkfornegative();
}

function checkfornegative() {
if (offsetleft<0) {
offsetleft=0;
}
}


function reposition() {
if (navigator.appName.indexOf('Microsoft') > -1)  {
blockflash.style.pixelLeft=eval(offsetleft);
}

else if (!document.all && document.getElementById) {
document.getElementById('blockflash').style.left=eval(offsetleft-1);
}

else {
document.blockflash.left=eval(offsetleft-9);
}
}





function hideflash() {
if (navigator.appName.indexOf('Microsoft') > -1)  {
blockflash.style.visibility='hidden';
}
else if (!document.all && document.getElementById) {
document.eval("getElementById('blockflash')").style.visibility='hidden';
}
else {
document.blockflash.visibility='hide';
}

}

function showflash() {
if (navigator.appName.indexOf('Microsoft') > -1)  {
blockflash.style.visibility='visible';
}
else if (!document.all && document.getElementById) {
document.eval("getElementById('blockflash')").style.visibility='visible';
}
else {
document.blockflash.visibility='show';
}

}