function isNumeric(e)
{   
	
	var c = (window.Event) ? e.which : e.keyCode;
	

	if ((c < 48 || c > 57) && (c!=8))
	{
	e.returnValue=false;
	}
	
}


function isAlpha(e)
{   
	var c = (window.Event) ? e.which : e.keyCode;

	if (c==32 || c==46 ) return;
	if ((c < 65 || c > 90) && (c < 97 || c > 122)) 
	{
	
	e.returnValue=false;
	}
	
}

function isAlpha_Numeric(e)
{   

	var c = (window.Event) ? e.which : e.keyCode;
	if ((c < 65 || c > 90) && (c < 97 || c > 122) && (c < 48 || c > 57) && c!=32 && c!=46  ) 
	{
	e.returnValue=false;
	}
	
}

function isNumericForPhone(e)
{   
	var c = (window.Event) ? e.which : e.keyCode;
	

	if ((c < 48 || c > 57) && (c!=8)  && (c!=45) )
	{
	e.returnValue=false;
	}
	
}

function isNumericForDocPhone(e)
{   
	var c = (window.Event) ? e.which : e.keyCode;
	

	if (((c < 48 || c > 57) && (c!=8))  || (c==45) )
	{
	
	e.returnValue=false;
	}
	
}

function ltrim(argvalue)
{
 while (1) 
 {
    if (argvalue.substring(0, 1) != " ")
      break;
    argvalue = argvalue.substring(1, argvalue.length);
  }
  return argvalue;
}

function rtrim(argvalue)
{
 while (1) 
 {
    if (argvalue.substring(argvalue.length - 1, argvalue.length) != " ")
      break;
    argvalue = argvalue.substring(0, argvalue.length - 1);
  }
  return argvalue;
}
function trim(argvalue) 
{
  var tmpstr = ltrim(argvalue);
  return rtrim(tmpstr);
}

function isEmail(FormName, FieldName)
{
	var objEmailId = document.forms[FormName].elements[FieldName];
	var EmailIdvalue = objEmailId.value;
    if (EmailIdvalue.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
    {
        return true;
    }
    else
    {
		alert("Invalid E-mail Address! Please re-enter.");
		objEmailId.select();
		objEmailId.focus();
        return false;
    }
}