function r1(viewing) {
	var tabHeight=parseInt(document.getElementById('tab').offsetHeight); 
	var winHeight=parseInt(document.body.clientHeight); 
	var tabWidth=parseInt(document.getElementById('tab').offsetWidth); 
	var winWidth=parseInt(document.body.clientWidth);
	//if(tabHeight<winHeight){tabHeight=winHeight}
	//if(tabWidth<winWidth){tabWidth=winWidth}
	document.getElementById('forma').style.height=tabHeight+'px';
	document.getElementById('forma').style.width=tabWidth+'px';
	document.getElementById('forma').style.display='block';
	document.getElementById(viewing).style.display='block';
	document.getElementById(viewing).style.visibility='hidden';
	var blockFirstHeight=parseInt(document.getElementById(viewing).offsetHeight);
	//
	//alert(navigator.appName);
	//alert(navigator.appVersion);	
	/*if(navigator.appName=="Microsoft Internet Explorer"){
		document.getElementById(viewing).style.top=((tabHeight-blockFirstHeight)/2+'px');
		document.getElementById(viewing).style.left=((tabWidth-330)/2+'px');
	}
	else{*/
		document.getElementById(viewing).style.top=((winHeight-blockFirstHeight)/2+'px');
		document.getElementById(viewing).style.left=((winWidth-330)/2+'px');
	//}
	document.getElementById(viewing).style.visibility='visible';

	//document.getElementById(viewing).style.left=parseInt(document.body.scrollLeft) + parseInt(document.body.clientWidth)/2 - parseInt(document.getElementById(viewing).offsetWidth)/2+'px'; 
	//document.getElementById(viewing).style.top=parseInt(document.body.scrollTop) + parseInt(document.body.clientHeight)/2 - parseInt(document.getElementById(viewing).offsetHeight)/2+'px';
	/*if(viewing=='done'){
		setTimeout("document.getElementById('done').style.display='none';document.getElementById('forma').style.display='none';",7000);
	}*/
}

function exit(viewing){
	document.getElementById(viewing).style.display='none';
	document.getElementById('forma').style.display='none';
}
//
//function toCenter(id){
//	document.getElementById(id).style.left=parseInt(document.body.scrollLeft) + parseInt(document.body.clientWidth)/2 - parseInt(document.getElementById(id).offsetWidth)/2+'px'; 
//	document.getElementById(id).style.top=parseInt(document.body.scrollTop) + parseInt(document.body.clientHeight)/2 - parseInt(document.getElementById(id).offsetHeight)/2+'px';
//}