//////////////////////// TRIM ////////////////////////////
function trim(str)
{
   return str.replace(/^\s+|\s+$/g,'');
}
///////////////////// FOR EMAIL ///////////////////////////
function check_email(current)
{
	email=current.value;
	var re = /^([a-zA-Z0-9-_\.]+@([a-zA-Z0-9-_]+\.)+[a-zA-Z]{2,4})$/;
	if (!(re.test(email)))
	{
		alert("" + email+ " is not a valid email address");
		current.focus();
		return false;
	}
}
////////////////// CHECK ALL FIELDS ///////////////////////

function validate_empty(j,frm)
{
	var invalid=" ";
	for (i=1;i<j;i++)
	{
		box = frm.elements[i];
		ename=box.name;
		ename=ename.replace("_"," ");
		e_name=upper_case_first_letters(ename);
		if(box.value=="")
		{
			alert(e_name + ' can not be empty.');
			box.focus();
			return false;
		}
	}
	
	return true;
}

function validate_empty1(frm,str)
{
	var val=str.split(",");
	var type1, rdo, flag, e_name1;
	for(i=0;i<val.length;i++)
	{
		box=frm.elements[val[i]]
		ename=box.name;
		type1=box.type;
		ename=ename.replace("_"," ");
		e_name=upper_case_first_letters(ename);
		if(type1=="radio")		
		{
			rdo="y";
			e_name1=e_name;
			if(box.checked || flag==1)	{	flag=1;		}
			else{	flag=2;		}
		}
		else
		{
			if(rdo=="y")
			{
				if(flag==2)
				{	rdo="";
					flag=5;
					alert('Please Select '+e_name1);
					box1=frm.elements[val[i-1]]					
					box1.focus();
					return false;
				}
			}
			if(box.value=="" || box.value==0)
			{
				alert(e_name + ' can not be empty.');
				box.focus();
				return false;
			}
		}
	}
	return true;
}

function check_number(frm,str)	
{
	var val=str.split(",");
	var type1, rdo, flag, e_name1;
	for(i=0;i<val.length;i++)
	{
		box=frm.elements[val[i]]
		ename=box.name;
		type1=box.type;
		ename=ename.replace("_"," ");
		e_name=upper_case_first_letters(ename);
		if(isNaN(box.value))
			{
				alert(e_name + 'is not a number');
				box.focus();
				return false;
			}
	}
	return true;
}

function upper_case_first_letters(str)
{

		STRING=str;	
		var strReturn_Value = "";
		var iTemp = STRING.length;
		if(iTemp==0){
		return"";
		}
		var UcaseNext = false;
		strReturn_Value += STRING.charAt(0).toUpperCase();
		for(var iCounter=1;iCounter < iTemp;iCounter++){
		if(UcaseNext == true){
		strReturn_Value += STRING.charAt(iCounter).toUpperCase();
		}
		else{
		strReturn_Value += STRING.charAt(iCounter).toLowerCase();
		}
		var iChar = STRING.charCodeAt(iCounter);
		if(iChar == 32 || iChar == 45 || iChar == 46){
		UcaseNext = true;
		}
		else{
		UcaseNext = false
		}
		if(iChar == 99 || iChar == 67){
		if(STRING.charCodeAt(iCounter-1)==77 || STRING.charCodeAt(iCounter-1)==109){
		UcaseNext = true;
		}
		}
		} //End For
		
		return strReturn_Value;
		//	alert(strReturn_Value);
		
} //End Function
////////////////// CHECK EMAIL ADDRESS BY NAREN //////////////////
function check_email(fieldname)
{
	
	if (fieldname.value.length >0) {
	 i=fieldname.value.indexOf("@")
	 j=fieldname.value.indexOf(".",i)
	 k=fieldname.value.indexOf(",")
	 kk=fieldname.value.indexOf(" ")
	 jj=fieldname.value.lastIndexOf(".")+1
	 len=fieldname.value.length

 	if ((i>0) && (j>(1+1)) && (k==-1) && (kk==-1) && (len-jj >=2) && (len-jj<=3)) {
		return true;
 	}
 	else {
 		alert("Please enter an exact email address.\n" +
		fieldname.value + " is invalid.");
		fieldname.focus();
		
		return false;
 	}

 	}

}