function newpage(loc){
	location=loc
}

function highlight(n){
	hyper=document.getElementById(n)
	hyper.style.backgroundColor="#fff"
	hyper.style.color="#093"
}
function norm(n){
	hyper=document.getElementById(n)
	bgc="#fff"
	if (n=="red" || n=="footred") bgc="#f00"
	if (n=="blue" || n=="footblue") bgc="#0cf"
	if (n=="green" || n=="footgreen") bgc="#0f0"
	if (n=="yellow" || n=="footyellow") bgc="#ff0"
	hyper.style.color="#00f"
	hyper.style.backgroundColor=bgc
	
}

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 check(){
//check name
	go=1;
	//alert('go');
	name=trim(document.form1.name.value);
	if (name.length == 0){
		alert("You must fill in your name.");
		go=0;
	}
		
//check email address if given
	address=trim(document.form1.address.value);
	if (!address.length==0){
		if ((address.search("\@") == -1) || (address.search=("\.") == -1)){
			alert("Your email address seems to be invalid.");
			go=0;
		}
	}

//check the message exists
	message=trim(document.form1.message.value);
	if (message.length==0){
		alert("The message seems to be blank.");
		go=0;
	}	
	
//submit
	if (go==1){
		document.form1.submit();
	}
	
}