ÿþfunction check_structure_email(u){

	var tsEM=u;

	var iA=tsEM.indexOf("@");

	var aE=tsEM.split("@");

	if(iA==-1||tsEM.charAt(0)>"~"||tsEM.indexOf(".",iA)==-1||tsEM.indexOf(" ",0)!=-1||aE.length>2) 

	{

		return false;

	}

	else

	{

		if(aE[0].length>0&&aE[1].length>0)

		{

			return true;

		}

		else 

		{

			return false;

		}

	}

}





function check_char_space(u){

	var i;

	var iAE = u;

	var i_return=true;

	for(i=0;i<iAE.length;i++)

	{

		if(iAE.charAt(i)==" ")

		{

			i_return=true;

			break;

		}

		else

		{

			i_return=false;

		}

	}

return i_return;

}







function check_number_boolean(number_input){

var trave;

var congthu;

congthu = isNaN(number_input);

if (congthu==true)

{

trave=false;

}

else

{

trave=true;

}

return(trave);

}













function check_number_input(id_o){

if (check_number_boolean(id_o.value) != true)

{

id_o.value=0;

}

}









function m_over_gal(id){

	id.style.backgroundColor = "404040";

}

function m_out_gal(id){

	id.style.backgroundColor = "#202020";

}