function trim(str) 
		{    
			 if (str != null) 
			 {        
			 	var i;        
			    for (i=0; i<str.length; i++) 
				{           
					 if (str.charAt(i)!=" ") 
					 {               
					   str=str.substring(i,str.length);                 
					   break;            
					 }        
				}            
					  
					 for (i=str.length-1; i>=0; i--)
					 {            
					 	if (str.charAt(i)!=" ") 
						{                
							str=str.substring(0,i+1);                
						     break;            
						}         
					 }                 
					if (str.charAt(0)==" ") 
					{            
						return "";         
					} 
					else 
					{            
					    return str;         
					}    
				}
			}
			function IsValidEmail(address)
			{
				var xValidEmail = true;
				var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
				
				if(reg.test(address) == false)
				{
					xValidEmail = false;	
				}
				else
				{
					xValidEmail = true;	
				}
				return xValidEmail;
			}

	var nb="&nbsp;&nbsp;&nbsp;";
	
	function verifycallback()
	{
		var arrTmp=new Array();
		
		arrTmp[0]=checkname();
		arrTmp[1]=checkemail1();
		arrTmp[2]=checkmessage();
	
		var i;
        for(i=0;i<arrTmp.length;i++)
        {
            if(arrTmp[i]==false)
            {
                return false;
            }
        }
        return true;
	}
	function checkname()
	{
		if(trim(document.submitformcallback.name.value)=="" || document.submitformcallback.name.value=="Name")
		{
			document.getElementById('lblname').innerHTML="Please enter name.";
			return false; 
		}
		else
		{
			document.getElementById('lblname').innerHTML="";  
			return true; 
			
		}
	}
	function checkemail1()
	{
		if(trim(document.submitformcallback.email.value) == "" ||  document.submitformcallback.email.value=="Email")
		{	 
			document.getElementById("lblemail1").innerHTML="Please enter email address.";
			return false;
		}
		else
		{
			if(IsValidEmail(document.submitformcallback.email.value)==false)
			{
				document.getElementById("lblemail1").innerHTML="Please enter valid email address.";
				return false;
			}
			else
			{
				document.getElementById("lblemail1").innerHTML="";
				return true;
			}
		}
	}
	function checkmessage()
	{
		if(trim(document.submitformcallback.message.value)=="" ||  document.submitformcallback.message.value=="Message")
		{
			document.getElementById('lblmessage').innerHTML="Please enter message.";
			return false; 
		}
		else
		{
			document.getElementById('lblmessage').innerHTML="";  
			return true; 
		}
	}