testalo approfonditamente, garanzie zero
codice:
<script type="text/javascript">
<!--
b_w=function() {return ((window.innerWidth)?window.innerWidth:(document.documentElement.clientWidth)?document.documentElement.clientWidth:document.body.clientWidth)}
b_h=function() {return ((window.innerHeight)?window.innerHeight:(document.documentElement.clientHeight)?document.documentElement.clientHeight:document.body.clientHeight)}

function resizeWin() {
	if(b_w()<750 || b_h()<500){
		self.resizeTo(800,600);
	}
}
window.onload=resizeWin;
window.onresize=resizeWin;
//-->
</script>
:ciauz: