// JavaScript Document for Eco Advanced
<!--
		if (top.location != self.location) {
			top.location = self.location
		}
		function validEmail(email) {
			invalidChars = " /:,;"
	
			if (email == "") {						// cannot be empty
				return false
			}
			for (i=0; i<invalidChars.length; i++) {	// does it contain any invalid characters?
				badChar = invalidChars.charAt(i)
				if (email.indexOf(badChar,0) > -1) {
					return false
				}
			}
			atPos = email.indexOf("@",1)			// there must be one "@" symbol
			if (atPos == -1) {
				return false
			}
			if (email.indexOf("@",atPos+1) != -1) {	// and only one "@" symbol
				return false
			}
			periodPos = email.indexOf(".",atPos)
			if (periodPos == -1) {					// and at least one "." after the "@"
				return false
			}
			if (periodPos+3 > email.length)	{		// must be at least 2 characters after the "."
				return false
			}
			return true
		}

   function required(x) {
	    	if ((document.forms[0].elements[x].value == "") || (document.forms[0].elements[x].value.length < 3)) {
                return false
            }
             return true
          }

   function submitIt() {
            // validate first name, last name, company, telephone, email, country
            if (!required(0)) {
               alert("Please enter a valid first name")
               document.forms[0].elements[0].focus()
               document.forms[0].elements[0].select()
               return false
            }
            if (!required(1)) {
               alert("Please enter a valid last name")
               document.forms[0].elements[1].focus()
               document.forms[0].elements[1].select()
               return false
            }
            if (!required(3)) {
               alert("Please enter a valid company name")
               document.forms[0].elements[2].focus()
               document.forms[0].elements[2].select()
               return false
            }
            if (!required(4)) {
               alert("Please enter a valid telephone number")
               document.forms[0].elements[3].focus()
               document.forms[0].elements[3].select()
               return false
            }
            if (!validEmail(document.forms[0].elements[4].value)) {
               alert("Please enter a valid e-mail address")
               document.forms[0].elements[4].focus()
               document.forms[0].elements[4].select()
               return false
            // required fields are not empty, so return true
            return true
            }
     }      
// -->