function xRecal(id,dat){
	var xRObj=new xRecal.create(id,dat);
	eval('xR'+id[0]+'=xRObj');
	return xRObj;
}
xRecal.create=function(id,dat){
	this.arg=arguments;
	this.altura=0;
	this.datStr=["document.getElementById('","').offsetHeight","').style.height"];
	this.ref='xR'+this.arg[0][0];
	this.move();
}
xRecal.create.prototype.move=function(){
	this.altura=eval(this.datStr[0]+this.arg[0][1]+this.datStr[1]);
	eval(this.datStr[0]+this.arg[0][2]+this.datStr[2]+'='+(this.altura+this.arg[1][1]));
}
function f_web(lista){
    formweb.action = lista.options[lista.options.selectedIndex].value;
	formweb.submit();
	return;
}