function infowindow_show( cuvivo, evt ) {
	cuvivo_xoffset=15;
	cuvivo_yoffset=25;
	var element = document.getElementById('tab_'+cuvivo);
	var coords = {x: 0, y: 0};
	while (element) {
		coords.x += element.offsetLeft;
		coords.y += element.offsetTop;
		element = element.offsetParent;
	}
	if( evt=='show'){ //mms_panel is hidden now show
	//	mms_panelon=1;
		document.getElementById(cuvivo).style.display='block';
		cuvivo_left=coords.x+cuvivo_xoffset; 
		document.getElementById(cuvivo).style.left= cuvivo_left;
		cuvivo_top= coords.y+cuvivo_yoffset;
		document.getElementById(cuvivo).style.top= cuvivo_top;
	}
	else{ //mms_panel was on..now hide it
		document.getElementById(cuvivo).style.display='none';
	}
	return;
}