//POPUP WINDOW FUNCTION
//
function popUpWindow(sPage,sWindow,iTop,iLeft,iHeight,iWidth,sScrollbars){
	popup=window.open(sPage,sWindow,"top=" + iTop + ",left=" + iLeft + ",height=" + iHeight + ",width=" + iWidth + ",scrollbars=" + sScrollbars);
	popup.focus();
}

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 validateInput(theForm) {

	if (trim(theForm.txtfname.value)==""){ 
		alert("Please enter a first name!");
		return;
	}

	if (trim(theForm.txtlname.value)==""){ 
		alert("Please enter a last name!");
		return;
	}

	if (trim(theForm.txtphone.value)==""){ 
		alert("Please enter phone number!");
		return;
	}

	if (trim(theForm.txtemail.value)==""){ 
		alert("Please enter an Email address");
		return;
	}
	theForm.submit()
}