function validateSearch(event)
{
  with(document.search_form)
  {
    var key;  
  if(window.event)
    key = window.event.keyCode;     //IE
  else
  key = event.which;   
//alert(key);
   if (key == 13 || key==1 || key==0)
   {   
    if(trim(keyword.value)=='')
      {
        alert("Please enter the string to be searched.");
        keyword.focus();
        return false;
      }
      else
      { 
        document.search_form.submit(); 
      }
   }
  }  
}

function len(field,ll,nm){
	if(field.value.length>ll){
		alert(nm)
		field.focus()
		return false
	}
	return true
 }


function required(field,nm)
{
//alert(field.value);
if(field.value == ""){
		alert(nm);
		field.focus();
		return false;
	}
	return true;

}


function blank(field,nm)
{

if(field.value!=""){

	var crlf="\r\n"
	text=false
	
	var arr=new Array()
	arr=field.value.split(crlf)
	for(j=0;j<arr.length&&!text;j++){
		a=arr[j]
		if ((a!=crlf)){
			for(i=0;i<a.length&&!text;i++){
				str=a.substring(i,i+1)
				if((str!=" ")&&(str!=""))
					text=true
			}
		}
	}

	if (!text){
		alert(nm)
		field.focus()
		return false;
	}
	return true
}
return true
}

function lenword(field,nm){
	if (field.value!=""){
		var arr=new Array()
		arr=field.value.split(" ")
		for(i=0;i<arr.length;i++){
			if(arr[i].length>70){
				//alert("Sorry, the word '"+arr[i]+"' is too long.  Please enter another word. [max 70 char]")
				alert("Sorry, the word is too long.  Please enter another word. [one word max 70 char]")
				field.focus()
				return false;
			}
		}
	}

	return true
 }
 
 
function dateval(sdate){

var val=sdate.value;
if(val != "")
{

if((val.length>10) ||(val.length<8))
{
	alert(" Please enter the date in (mm/dd/yyyy) format. ")
	sdate.focus();
	return false;
}
else {
	slash1=val.indexOf("/")
	if(slash1==-1)
	{
		alert(" Please enter the date in (mm/dd/yyyy) format.")
		sdate.focus();
		return false;
	}	
	slash2=val.lastIndexOf("/")
	if((slash2==-1)||(slash2==slash1))
	{
		alert(" Please enter the date in (mm/dd/yyyy) format.")
		sdate.focus();
		return false;
	}	
	
	var two=(val.substring(0,slash1));
	if ((two>=0)&&(two<=12))
	{

		mm=two;
	}
	else
	{	
		alert(" Please enter the date in (mm/dd/yyyy) format.")
		
		sdate.focus();
		return false;
	}
	two=(val.substring(slash1+1,slash2));

	if ((two>=0)&&(two<=31))
	{
		dd=two;
	}
	else
	{	
		alert(" Please enter the date in (mm/dd/yyyy) format.")
		
		sdate.focus();
		return false;
	}
	two=(val.substring(slash2+1,slash2+5));
	if ((two>=1900)&&(two<=2075))
	{
		yy=two;
	}
	else
	{	
		alert(" Please enter the date in (mm/dd/yyyy) format.")

		sdate.focus();
		return false;
	}

	if(((dd==29)&&(mm==02))||((dd==29)&&(mm==2)))
	{
	
		if(((yy%4)==0)||((yy%400)==0))
		{
		//valid
		}
		else
		{
		alert(" Please enter the date in (mm/dd/yyyy) format.")
		sdate.focus();
		return false;
		}
	}
	if (((dd>29)&&(mm==2))||((dd==31)&&((mm==2)||(mm==4)||(mm==6)||(mm==9)||(mm==11))))
	{	
		alert(" Please enter the date in (mm/dd/yyyy) format.")
		sdate.focus();
		return false;
	}
}	
return true;
}	
return true;
}


function ValidateEMail(objName)
{
	var sobjValue;
	var iobjLength;
	
	sobjValue=objName.value;
	
	iobjLength=sobjValue.length;
	
	iFposition=sobjValue.indexOf("@");
	iSposition=sobjValue.indexOf(".");
	iTmp=sobjValue.lastIndexOf(".");	
	
	if (iobjLength!=0)
	{
		if ((iFposition == -1)||(iSposition == -1))
		{
			alert("Please enter the e-mail address in the proper format.")
			objName.focus();
			return false;
		}
		else if(sobjValue.charAt(0) == "@" || sobjValue.charAt(0)==".")
		{
			alert("Please enter the e-mail address in the proper format.")
			objName.focus();
			return false;				
		}
		else if(sobjValue.charAt(iobjLength) == "@" || sobjValue.charAt(iobjLength)==".")
		{
			alert("Please enter the e-mail address in the proper format.");
			objName.focus();
			return false;				
		}	
		else if((sobjValue.indexOf("@",(iFposition+1)))!=-1)
		{	
			alert("Please enter the e-mail address in the proper format.")
			objName.focus();
			return false;
		}
		else if ((iobjLength-(iTmp+1)<2)||(iobjLength-(iTmp+1)>3))
		{
			alert("Please enter the e-mail address in the proper format.")
			objName.focus();
			return false;
		}
		else if(sobjValue.indexOf(" ") != -1)
		{	
			alert("Please remove the space between the words.")
			objName.focus();
			return false;
		}
		
		else
		{
			return true;
		}		
	}		
}    


function year_validation(field)
{
var valid = "1234567890."
if(field.value!="")
{
		var len=field.value.length;
		var chk=field.value;
		for(i=0;i<len;i++)
		{
			x = chk.charAt(i)
			if(valid.indexOf(x) == -1)
			{
				field.focus()
				field.select()
				alert("Please enter only numeric values in year field.")
				return false;
			}
		}
		if((chk<1900)||(chk>2075)){
			field.focus()
			field.select()
			alert("Please enter the Year between 1900 to 2075.")
			return false;
		}
		
}
return true;
}

function numeric(field)
{
var valid = "1234567890-,."
if(field.value!="")
{
		var len=field.value.length;
		var chk=field.value;
		for(i=0;i<len;i++)
		{
			x = chk.charAt(i)
			if(valid.indexOf(x) == -1)
			{
				field.focus()
				field.select()
				alert("Please enter only numeric values.")
				return false;
			}
		}
}
return true;
}  

function digit(field)
{
var valid = "1234567890"
if(field.value!="")
{
		var len=field.value.length;
		var chk=field.value;
		for(i=0;i<len;i++)
		{
			x = chk.charAt(i)
			if(valid.indexOf(x) == -1)
			{
				field.focus()
				field.select()
				alert("Please enter only digits")
				return false;
			}
		}
}
return true;
}  



function isapostrophe(field) {
var str
str = field.value 
var len =str.length
//alert(str+len)
	var i
	for(i=0; i<len;++i){
		if(str.charAt(i)=="'"){
		field.focus()
		field.select()
		alert("cannot insert  APOSTROPHE ( ' ) into any field.")
		return true
		}
	}
	return false
}


function specialcheck(field,nm)
{    
	var mikExp = /[$?\\@\\\#%\^\&\*\(\)\[\]\+\_\!\{\}\`\~\=\|]/;
	var strPass = field.value;
	var sFldval = field.value;
	var strLength = strPass.len;
				
	var lchar = strPass.charAt((strLength) - 1);
					
	var lchar1 = strPass.charAt(0)
					
	if((lchar.search(mikExp) != -1)|| (lchar1.search(mikExp) != -1))
	{
	alert("Please enter valid characters only.");
	field.focus()
	return false;
	}
					
	if(sFldval.indexOf('"') != -1) 
	{
		alert("Please remove the double Quotes.");
		field.focus()
		return false;
	}
	if(sFldval.indexOf("'") != -1) 
	{
		alert("please remove the single Quote.");
		field.focus()
		return false;
	}
					
	if(sFldval.indexOf(" ") != -1) 
	{
		alert("Please remove the space between the words.");
		field.focus()
		return false;
	}
	return true
} 
	


function chkSpecial(ctrlname)
{  
    var valid = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'"
    //var errdiv=document.getElementById('valmsg')
    field=document.getElementById(ctrlname);
    var chk=trim(field.value);
		var len=chk.length;
		for(i=0;i<len;i++)
		{
			x = chk.charAt(i)
			if(valid.indexOf(x) == -1)
			{  
     //	errdiv.innerText= strmg;
      //field.focus();
      return false;
      }
}
return true;
}

/*
function keypressvalues(field)
{
var valid = "abcdefghijklmnopqrstuvwxyz1234567890,<.>/?;:'"[{]}`~!@#$%^&*()_+|=- "
if(field.value!="")
{
		var len=field.value.length;
		var chk=field.value;
		for(i=0;i<len;i++)
		{
			x = chk.charAt(i)
			if(valid.indexOf(x) == -1)
			{
				field.focus()
				field.select()
				alert("Please press proper keys.")
				return false;
			}
		}
}
return true;
}  
*/

/**
 * Ajax
 */ 
function GetXmlHttpObject(handler)
{ 
  var objXmlHttp=null
  
  if (navigator.userAgent.indexOf("Opera")>=0)
  {
  alert("This example doesn't work in Opera") 
  return; 
  }
  if (navigator.userAgent.indexOf("MSIE")>=0)
  { 
  var strName="Msxml2.XMLHTTP"
  if (navigator.appVersion.indexOf("MSIE 5.5")>=0)
  {
  strName="Microsoft.XMLHTTP"
  } 
  try
  { 
  objXmlHttp=new ActiveXObject(strName)
  objXmlHttp.onreadystatechange=handler 
  return objXmlHttp
  } 
  catch(e)
  { 
  alert("Error. Scripting for ActiveX might be disabled") 
  return 
  } 
  } 
  if (navigator.userAgent.indexOf("Mozilla")>=0)
  {
  objXmlHttp=new XMLHttpRequest()
  objXmlHttp.onload=handler
  objXmlHttp.onerror=handler 
  return objXmlHttp
  }
} 

/************************added from 28 jan 2008**********************/


/** removes spaces***/
function trim(str)
{
  return str.replace(/^\s*|\s*$/g,"")
}


/**
 * checks for phone or fax validation
 */ 

function phone_fax(val)
{
var flg="true";
  var valid = "1234567890-+"
  if(val!="")
  {		var len=val.length;
  		var chk=val;
  		for(i=0;i<len;i++)
  		{
  			x = chk.charAt(i)
  			if(valid.indexOf(x) == -1)
  			{			
  				alert("Please enter only numeric values and \'+\' or \'-\' allowed.")
  				flg="false";
  				break;
  			}
  		}
  	return flg;	
  }
  else
  {
    return flg;
  }
} 



/**
 * Function to check for valid URL
 */ 

function isURL(argvalue) 
{
var flg="true";
  if (argvalue.indexOf(" ") != -1)
    flg="false";
  else if (argvalue.indexOf("http://") == -1)
    flg="false";
  else if (argvalue == "http://")
    flg="false";
  else if (argvalue.indexOf("http://") > 0)
    flg="false";

  argvalue = argvalue.substring(7, argvalue.length);
  if (argvalue.indexOf(".") == -1)
    flg="false";
  else if (argvalue.indexOf(".") == 0)
    flg="false";
  else if (argvalue.charAt(argvalue.length - 1) == ".")
    flg="false";

  if (argvalue.indexOf("/") != -1) {
    argvalue = argvalue.substring(0, argvalue.indexOf("/"));
    if (argvalue.charAt(argvalue.length - 1) == ".")
      flg="false";
  }

  if (argvalue.indexOf(":") != -1) 
  {
    if (argvalue.indexOf(":") == (argvalue.length - 1))
      flg="false";
    else if (argvalue.charAt(argvalue.indexOf(":") + 1) == ".")
      flg="false";
    argvalue = argvalue.substring(0, argvalue.indexOf(":"));
    if (argvalue.charAt(argvalue.length - 1) == ".")
      flg="false";
  }

 return flg;
}