// JavaScript Document

function submitForm(){
	var lang = document.form1.lang.value;
	var nome = document.form1.nome.value;
	var cognome = document.form1.cognome.value;
	var telefono = document.form1.telefono.value;
	var email = document.form1.email.value;
	var email_reg_exp = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;

    if(nome == ""){
		if(lang == 'it'){
			alert('Attenzine il campo Nome è obbligatorio');
		}
		else if(lang == 'en'){
			alert('Warning: field Name is necessary');
		}
		else if(lang == 'fr'){
			alert('Warning: field Name is necessary');
		}
		else if(lang == 'de'){
			alert('Warning: field Name is necessary');
		}
		document.form1.nome.focus();
		return false;
	}
	else if(cognome == ""){
		if(lang == 'it'){
			alert('Attenzine il campo Cognome è obbligatorio');
		}
		else if(lang == 'en'){
			alert('Warning: field Surname is necessary');
		}
		else if(lang == 'fr'){
			alert('Warning: field Surname is necessary');
		}
		else if(lang == 'de'){
			alert('Warning: field Surname is necessary');
		}
		document.form1.cognome.focus();
		return false;
	}
	else if(telefono == ""){
		if(lang == 'it'){
			alert('Attenzine il campo Telefono è obbligatorio');
		}
		else if(lang == 'en'){
			alert('Warning: field Phone is necessary');
		}
		else if(lang == 'fr'){
			alert('Warning: field Phone is necessary');
		}
		else if(lang == 'de'){
			alert('Warning: field Phone is necessary');
		}
		document.form1.telefono.focus();
		return false;
	}
	else if((!email_reg_exp.test(email)) || (email == "") || (email == "undefined")){
		if(lang == 'it'){
			alert('Attenzine l\'indirizzo E-mail non è corretto.');
		}
		else if(lang == 'en'){
			alert('Warning: e-mail address is not valid format');
		}
		else if(lang == 'fr'){
			alert('Warning: e-mail address is not valid format');
		}
		else if(lang == 'de'){
			alert('Warning: e-mail address is not valid format');
		}
		document.form1.email.focus();
		return false;
	}
	else{
		document.form1.submit();
		return true;
	}
}

/**
 * This array is used to remember mark status of rows in browse mode
 */
 var marked_row = new Array;
 /**
  * Sets/unsets the pointer and marker in browse mode
  *
  * @param   object    the table row
  * @param   interger  the row number
  * @param   string    the action calling this script (over, out or click)
  * @param   string    the default background color
  * @param   string    the color to use for mouseover
  * @param   string    the color to use for marking a row
  *
  * @return  boolean  whether pointer is set or not
  */
 function setPointer(theRow, theRowNum, theAction, theDefaultColor, thePointerColor, theMarkColor)
 {
     var theCells = null;

     // 1. Pointer and mark feature are disabled or the browser can't get the
     //    row -> exits
     if ((thePointerColor == '' && theMarkColor == '')
         || typeof(theRow.style) == 'undefined') {
         return false;
     }

     // 2. Gets the current row and exits if the browser can't get it
     if (typeof(document.getElementsByTagName) != 'undefined') {
         theCells = theRow.getElementsByTagName('td');
     }
     else if (typeof(theRow.cells) != 'undefined') {
         theCells = theRow.cells;
     }
     else {
         return false;
     }

     // 3. Gets the current color...
     var rowCellsCnt  = theCells.length;
     var domDetect    = null;
     var currentColor = null;
     var newColor     = null;
     // 3.1 ... with DOM compatible browsers except Opera that does not return
     //         valid values with "getAttribute"
     if (typeof(window.opera) == 'undefined'
         && typeof(theCells[0].getAttribute) != 'undefined') {
         currentColor = theCells[0].getAttribute('bgcolor');
         domDetect    = true;
     }
     // 3.2 ... with other browsers
     else {
         currentColor = theCells[0].style.backgroundColor;
         domDetect    = false;
     } // end 3

     // 4. Defines the new color
     // 4.1 Current color is the default one
     if (currentColor == ''
         || currentColor.toLowerCase() == theDefaultColor.toLowerCase()) {
         if (theAction == 'over' && thePointerColor != '') {
             newColor              = thePointerColor;
         }
         else if (theAction == 'click' && theMarkColor != '') {
             newColor              = theMarkColor;
         }
     }
     // 4.1.2 Current color is the pointer one
     else if (currentColor.toLowerCase() == thePointerColor.toLowerCase()
              && (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])) {
         if (theAction == 'out') {
             newColor              = theDefaultColor;
         }
         else if (theAction == 'click' && theMarkColor != '') {
             newColor              = theMarkColor;
             marked_row[theRowNum] = true;
         }
     }
     // 4.1.3 Current color is the marker one
     else if (currentColor.toLowerCase() == theMarkColor.toLowerCase()) {
         if (theAction == 'click') {
             newColor              = (thePointerColor != '')
                                   ? thePointerColor
                                   : theDefaultColor;
             marked_row[theRowNum] = (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])
                                   ? true
                                   : null;
         }
     } // end 4

     // 5. Sets the new color...
     if (newColor) {
         var c = null;
         // 5.1 ... with DOM compatible browsers except Opera
         if (domDetect) {
             for (c = 0; c < rowCellsCnt; c++) {
                 theCells[c].setAttribute('bgcolor', newColor, 0);
             } // end for
         }
         // 5.2 ... with other browsers
         else {
             for (c = 0; c < rowCellsCnt; c++) {
                 theCells[c].style.backgroundColor = newColor;
             }
         }
     } // end 5

     return true;
 } // end of the 'setPointer()' function