function trim(strinput)
{
    var i;
					 while(strinput.charAt(0)==' '||strinput.charAt(0)=='\t'||strinput.charAt(0)=='\n'||strinput.charAt(0)=='\r')
					{
					strinput= strinput.substring(1);
					}
					i = strinput.length-1;
					while(strinput.charAt(i)==' '||strinput.charAt(i)=='\t'||strinput.charAt(i)=='\n'||strinput.charAt(i)=='\r')
					{
					strinput = strinput.substring(0,i);
					i = i-1;
					}
return strinput;
}
					function logincheckempr()
					{

var username  = document.loginempr.txt_username.value;
var userpass = document.loginempr.txt_userpassword.value;

									if(trim(username)=="")
									{
												alert("Enter the Name");
												 document.loginempr.txt_username.focus();
												return false;
									}
									if(username.length<5)
									{
												alert("Your Name must be atleast minimum 5 character");
												 document.loginempr.txt_username.focus();
												return false;
									}

										if(trim(userpass)=="")
										{
													alert("Enter  Password");
													document.loginempr.txt_userpassword.focus();
													return false;
										}
										if(userpass.length<5)
										{
													alert("Your Password must be atleast minimum 5 character");
													document.loginempr.txt_userpassword.focus();
													return false;
										}
									
										
return true;

}