/**
* Unhide an input when adding something to the flea market.
*/
function fm_showPrice(divName) {
	if(document.getElementById(divName + '_div') && document.getElementById(divName + '_input')) {
		var divObj = document.getElementById(divName + '_div');
		var inputObj = document.getElementById(divName + '_input');
		


		//now change the objects so they're visible & enabled.
		if(divObj.style.display == 'inline') {
			divObj.style.display = 'none';
			inputObj.disabled = true;
		}
		else {
			divObj.style.display = 'inline';
			inputObj.disabled = false;
		}
	}
}//end fm_showPrice()


function isNumeric(sText)
{
   var ValidChars = "0123456789.";
   var IsNumber=1;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i);

	  if(sText.charAt(0)==0){
			IsNumber=2;
	  }
      else if (ValidChars.indexOf(Char) == -1) 
         {
         		IsNumber = 2;
         }
      }
   return IsNumber;
   
}


function fm_checkBlankPrice(divName,originalValue,points){

	if(document.getElementById(divName + '_input')) {
		
		var inputObj = document.getElementById(divName + '_input');

		var dollars = parseInt(points);

		var userNumber = parseInt(inputObj.value);

		var checkNum = isNumeric(inputObj.value);
		
		if(checkNum==2 || inputObj.value == null || inputObj.value == '') {

			//inputObj.focus();
			alert("You must enter a valid price");
			inputObj.value = originalValue;
		}


		else if(userNumber > 100000){
			
			alert("You must enter a price lower than 100,000 CDs");
			inputObj.value = originalValue;
		}

		else if(userNumber < 1){
			
			inputObj.value = 1;
		}

		
		if(dollars != -1){
			
			if(userNumber >= dollars){
			
			alert("You dont have " + inputObj.value + " CDs");
			inputObj.value = originalValue;
			}
		}
		

	}
	

}