function fieldLength(strFieldName)
	{
		var strFieldValue;
		strFieldValue = document.forms(0).item(strFieldName);
		if (strFieldValue == null)
			return 0;
			return strFieldValue.value.length;
	}			
	   
	    
function getFieldValue(strFieldName)
		{
		return document.forms[0].elements[strFieldName].value;
		}
			
function SetFieldValue(strFieldName,Strvalue)
		{
		 document.forms[0].elements[strFieldName].value = Strvalue;
		}				
			
function errorMsg(strMsg)
		{
			alert(strMsg);
		}			
		
function SetFocustoField(strFieldName)
		{
			document.forms[0].elements[strFieldName].setfocus;
		}