function checkRequired(formName)
{
pass=true;
passAll=true;
passValidNumber=true;

var form=document.forms[0];
var formElem=form.elements;

fields="Please fill in all fields";

for (x=0; x<formElem.length; x++)
{
	if (formElem[x].type=="text" && formElem[x].required=="true")
	 {
	 	if (formElem[x].value=="")
			pass=false;

		if(Math.round(formElem[x].value)>=0)
		{
		}
		else
			passValidNumber=false;
	}
}

if (!pass)
{
 alert(fields);
 passAll=false;
}

if (!passValidNumber)
{
	alert("Please enter only numbers and decimals.  No Special Characters");
	passAll=false;
}

 return passAll;
}