function triminput(inputString) {
   // Removes leading and trailing spaces from the passed string. Also removes
   // consecutive spaces and replaces it with one space. If something besides
   // a string is passed in (null, custom object, etc.) then return the input. 
   if (typeof inputString != "string") { return inputString; }
   var retValue = inputString;
   var ch = retValue.substring(0, 1);
   while (ch == " ") { // Check for spaces at the beginning of the string 
      retValue = retValue.substring(1, retValue.length);
      ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length-1, retValue.length);
   while (ch == " ") { // Check for spaces at the end of the string 
      retValue = retValue.substring(0, retValue.length-1);
      ch = retValue.substring(retValue.length-1, retValue.length);
   }
   while (retValue.indexOf("  ") != -1) { // Note that there are two spaces in the string - look for multiple spaces within the string 
      retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); // Again, there are two spaces in each of the strings
   }
   return retValue; // Return the trimmed string back to the user 
} // Ends the "trim" function


function CheckValidation(string,bag){
for(i=0; i<string.length; i++){
var charval = string.charAt(i);
if(bag.indexOf(charval) == -1)
return (false);
}
return (true);
}

function MM_validateForm() 
{  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
 j=0;
 // /^([-a-zA-Z0-9._]+@[-a-zA-Z0-9.]+(\.[-a-zA-Z0-9]+)+)$/;
 var regEmail = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/; 
 var regBlank = /[^\s]/;
 var regAlphaNum = /^([a-zA-Z0-9_]+)$/;
 var regDate = /^([0-9_]+-[0-9][0-9]+-[0-9][0-9]+)$/;
 
 //alert (MM_validateForm.arguments[1].name);
 //alert("sss--->"+document.forms[""+args[0]].elements[""+args[0]].value); 
 for (i=1; i<(args.length-2); i+=3) 
 { 
  mesg=args[i+1];
  test=args[i+2]; 
  val=document.forms[""+args[0]].elements[""+args[i]];
      if (val) 
  { nm=mesg; 
   
   val = val.value;
   //if ((val=val.value)!="") 
   if(regBlank.test(val))
   {
    if(test.indexOf('isEqual')!=-1)
    {
     result = trim(val);
    if(result.length==0){
    errors +='- Please enter your '+nm+ '.\n'; 
    }else{
     equal_obj_val = test.substring(8,test.indexOf(":"));
     mesg_string =test.substring((test.indexOf(":")+1));
     if(val != document.forms[""+args[0]].elements[""+equal_obj_val].value) 
     {
      errors+='- '+nm+' and '+mesg_string+' are not same.\n';
     }
    }
    }
    else if(test.indexOf('isAlphaNum')!=-1)
    {
    result = trim(val);
    if(result.length==0){
    errors += '- '+nm+' is required.\n'; 
    }else{
     if(!regAlphaNum.test(val))
     {
      errors+='- '+nm+': Only Alpha Numeric and "_" Chars Allowed.\n';
     }
    }
    }
    else if (test.indexOf('isDate')!=-1) 
    { 
     p=val.indexOf('-');
           
     if (p != 4 )
     {
      errors+='- '+nm+' must contain Valid Date YYYY-MM-DD.\n';
  
     }
     else if(!regDate.test(val))
     {
      errors+='- '+nm+' must contain Valid Date YYYY-MM-DD.\n'; 
     }
        }
    else if (test.indexOf('isEmail')!=-1) 
    { 
     p=val.indexOf('@');
     s=val.indexOf('.');
           if (p<1 || p==(val.length-1))
     {
      errors+='- Please enter a valid '+nm+' address.\n';
  
     }
     //else if(s<p || s==(val.length-1))
     else if(!regEmail.test(val))
     {
      errors+='-Please enter a valid '+nm+' address.\n'; 
     }
        }
    else if (test.indexOf('isUrl')!=-1) 
    { 
     p=val.indexOf('http://');
     s=val.indexOf('.');
           if (p<0 || p==(val.length-1))
     {
      errors+='- '+nm+' must be valid URL e.g. http://www.abc.com\n';
  
     }
     else if(s<p || s==(val.length-1))
     {
      errors+='- '+nm+' must be valid URL e.g. http://www.abc.com\n' ;
     }
        }else if (test.indexOf('isChar')!=-1) 
     { 
     var first_char;
     first_char= val.charAt(0);
     if(first_char==0||first_char==1||first_char==2||first_char==3||first_char==4||first_char==5||first_char==6||first_char==7||first_char==8||first_char==9){ 
      errors+='- '+nm+' must starts with  a char.\n';
     }
        }
        else if (test!='R') 
     {
     result = trim(val);
     if(result.length==0){
     errors +='- '+nm+' is required.\n'; 
     }
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
     if (test.indexOf('inRange') != -1) 
     { num = parseFloat(val);
      p=test.indexOf(':');
      min=test.substring(4,p); 
      max=test.substring(p+1);
      if (num<min || max<num) 
      errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
     } 
     if (val.indexOf('-') != -1) 
     { 
      errors+='- '+nm+' must contain a number without dashes sign.\n'; 
     } 
     if (val.indexOf('+') != -1) 
     { 
      errors+='- '+nm+' must contain a number without plus sign.\n';
     }
     
    }else if (test.charAt(0)=='R')
    {
    result = trim(val); 
    if(result.length==0){
    errors += '- Please enter your '+nm+' .\n'; 
    }
    } 
   }
   else if (test.charAt(0) == 'R'){
    errors += '- Please enter your '+nm+'.\n'; 
   }
  }
  if(errors !="") 
  { if(j<=0)
   {
    
    focusitem = document.forms[""+args[0]].elements[""+args[i]];
    j++;
   } 
   
  }
 } 
 
//return errors;
  
  if (errors)
  {
 alert('Sorry, we cannot complete your request.\nKindly provide us the missing or incorrect information enclosed below.\n\n'+errors);
 
 focusitem.focus();
 return false;
   }
   else
 return true;

//  document.MM_returnValue = (errors == '');
 
}

function trim(inputString) {
   // Removes leading and trailing spaces from the passed string. Also removes
   // consecutive spaces and replaces it with one space. If something besides
   // a string is passed in (null, custom object, etc.) then return the input. 
   if (typeof inputString != "string") { return inputString; }
   var retValue = inputString;
   var ch = retValue.substring(0, 1);
   while (ch == " ") { // Check for spaces at the beginning of the string 
      retValue = retValue.substring(1, retValue.length);
      ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length-1, retValue.length);
   while (ch == " ") { // Check for spaces at the end of the string 
      retValue = retValue.substring(0, retValue.length-1);
      ch = retValue.substring(retValue.length-1, retValue.length);
   }
   while (retValue.indexOf("  ") != -1) { // Note that there are two spaces in the string - look for multiple spaces within the string 
      retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); // Again, there are two spaces in each of the strings
   }
   return retValue; // Return the trimmed string back to the user 
} // Ends the "trim" function

function CheckQuantityValue(f)
{
		flag=true;
		arg = f.value;		
		if (arg == 0 || arg=="")
		{
			 alert("Quantity should have non-zero value!");
			 f.value=1;
			 f.focus();
			 flag= false;
			 return flag;
		}
		else
		{
			flag = CheckValidation(arg,"0123456789");
			if(flag == false)
			{
			 alert("Quantity should have numeric value!");
			 f.value=1;
			 f.focus();
			 return flag;
			}
			
		}
		/*if(f.value<1 || f.value>15)
		{
			alert("Quantity can have the value between 1 to 15 !!");
			f.value=1;
			f.focus();
			return false;
		}*/
}