function ViewFile( vfile, instrfile, vpath ) {

	if ( vpath == undefined )
		vpath = '';

	var f, i;

	// don't use getelementbyid!  it's supported but this functionality doesn't work when used on safari or firefox with getelementbyid!
	if (document.layers) {
		f = document.layers['vfile'];
		i = document.layers['instrfile'];
	} else {
		f = document.forms[0].elements['vfile'];
		i = document.forms[0].elements['instrfile'];
	}
	f.value = vfile;
	i.value = instrfile;
	var vopen = window.open( vpath + 'include/viewfile.aspx?vfile=' + escape(vfile), '_new');
	var reWork = new RegExp('object','gi');	// Regular expression	

	if(!reWork.test(String(vopen))) {
		alert('Warning: A pop-up blocker is enabled for this site.');
		return;
		}
}