var inputRequirments = [];
var pairRequirments = [];


		function inputRequirement(regE, errorMes){
			this.re = regE;
			this.err = errorMes;
			return(this);
		}
		
		
		function pairRequirement(regE1, regE2, errorMes, resetValue){
			this.re1 = regE1;
			this.re2 = regE2;
			this.err = errorMes;
			this.reset = resetValue;
			return(this);
		}
		
		
		function registerInputRequirement(name, regE, errorMes){
			if (!inputRequirments[name])
				inputRequirments[name] = [];
			inputRequirments[name][inputRequirments[name].length] = new inputRequirement(regE, errorMes);
		}
		
		
		function registerPairRequirement(name, regE1,regE2, errorMes, resetValue){
			if (!pairRequirments[name])
				pairRequirments[name] = [];
			pairRequirments[name][pairRequirments[name].length] = new pairRequirement(regE1, regE2, errorMes, resetValue);
		}
				
		


		function validateInput(name){							// Check name for required contents
			if (inputRequirments[name]){						// Only check if name is in inputRequirments[]
				for (i=0; i<inputRequirments[name].length; i++){	// Check inputValue satisfies all inputRequirments[]
					var re = new RegExp(inputRequirments[name][i].re);			
					if (!re.test(document.forms['orderForm'][name].value)){
						alert(inputRequirments[name][i].err);
						return(false);
					}
				} 
			}
			return(true);
		}
				
		
		function validatePair(name){										// Check inputName1_inputName2 for required contents
			var testRE = new RegExp('^([^_]+)_([^_]+)$');
			if ((results = testRE.exec(name)) != null){
				name1 = results[1];
				name2 = results[2];
			}
			if (pairRequirments[name]){									// Only check if name1_name2 is in pairRequirments[]
				for (i=0; i<pairRequirments[name].length; i++){				// Check all pairs for name1_name2
					var validateRE1 = new RegExp(pairRequirments[name][i].re1);
					var validateRE2 = new RegExp(pairRequirments[name][i].re2);
					if (validateRE1.test(document.forms['orderForm'][name1].value)){		// If first of pair meets requirements 
						if (!validateRE2.test(document.forms['orderForm'][name2].value)){ 	// then stop testing if second fails
							alert(pairRequirments[name][i].err);  // Error message and return false
							if (pairRequirments[name][i].reset != ''){
								document.forms['orderForm'][name2].value = pairRequirments[name][i].reset;
							}
							return(false);
						}
					}
				} 
			}
			return(true);
		}


		function validateAll(){
			var re = new RegExp();			
			for (var j in inputRequirments){	// Check all inputs
				if (!validateInput(j)){
					return(false);
				}
			}
			for (var k in pairRequirments){	// Check all pairs
				if (!validatePair(k)){
					return(false);
				}
			}
			return(true);
		}