function Validate(TheField,TheType,Label,Mandatory,LengthCheck,LengthAlert)
{
	TrimSpace(TheField)
	if(TheType=="url")
	{
		alert("Validate:\nThe type url has been removed.")
		return true
	}
	if(typeof(TheField)=="undefined")
	{
		alert("Validate:\nField name does not exist.")
		return true
	}
	if(typeof(TheField.value)=="undefined")
	{
		alert("Validate:\nThis field does not support 'value' method.")
		return true
	}
	TheValue=TheField.value
	TheValue=TheValue.replace(/\n/g,"")
	TheValue=TheValue.replace(/\r/g,"")
	TheType=TheType.toLowerCase()
	
	if(TheType=="empty")
	{
		if(!TheValue.match(/^.+$/ig))
		{
			if(typeof(Label)!="undefined")
				alert(Label)
			TheField.focus()
			if(TheField.type!="select-one")
			{
				TheField.select()
			}
			
			return true
		}
		TheExpression=new RegExp(".")
	}
	else if(TheType=="alphabets")
	{
		TheExpression=new RegExp("^[a-z][a-z\\-\\.]*[a-z]|^[a-z]$","gi")
	}
	else if(TheType=="locations")
	{
		TheExpression=new RegExp("^[a-z][a-z0-9\\s\\-\\._]*[a-z]$|^[a-z]$","gi")
	}
	else if(TheType=="alphanumeric")
	{
		TheExpression=new RegExp("^[a-z0-9]+$","gi")
	}
	else if(TheType=="numbers")
	{
		TheExpression=new RegExp("^[\\d]+$","gi")
	}
	else if(TheType=="float")
	{
		TheExpression=new RegExp("^[\\d]+(\\.[\\d]+)?$","gi")
	}
	else if(TheType=="mobile")  /* TheType=="phone" ||  */
	{
		TheExpression=new RegExp("^(\\(?[0-9]+\\)?[\\s\\-])*[0-9]+$","gi")
	}
	else if(TheType=="email")
	{
		if(Label=="")
		{
			Label="Please enter a valid email id."
		}
		TheExpression=new RegExp("^[a-z]([\\-_\\.]?[a-z0-9]+)*@([a-z0-9]+([\\-_][a-z0-9]+)*\\.)+[a-z]{2,}$","gi")
	}
	else if(TheType=="image")
	{
		if(Label=="")
		{
			Label="Please enter a valid image name."
		}
		TheExpression=new RegExp("^[^']+\\.(jpg|jpeg|gif)$","gi")
	}
	else if(TheType=="html")
	{
		TheExpression=new RegExp("^[^']+\\.(htm|html)$","gi")
	}
	else if(TheType.match(/^other format/))
	{
		Format=TheType.replace(/^other format - (.*)$/,"$1")
		TheExpression=new RegExp("\\.("+Format+")$","gi")
	}
	else if(TheType=="regex")
	{
		ThePattern=TheField.getAttribute("Pattern")
		if(ThePattern==null)
		{
			alert("Validation: The field '"+TheField.name+"' does not include the 'Pattern' keyword.")
			return false
		}
		TheExpression=new RegExp(ThePattern,"gi")
	}
	else
	{
		TheType1=TheType.replace(/spaces?/g,"")
		TheType1=TheType1.replace(/commas?/g,"")
		if((!TheType1.match(/[a-z]/)) && TheType1.indexOf("0-9")==-1)
		{
			alert("Validate:\nInvalid parameters.\n"+TheType)
			return true
		}
		TheRegExp=""
		StartString=""
		EndString=""
		
		TheSpValue=TheField.getAttribute("ASPCAE")
		if(TheSpValue==null)
			TheSpValue=""
		else
			TheSpValue=TheSpValue.toLowerCase()
		
			
		AllowedTypes=TheType.toLowerCase().split(",")
		for(j=0;j<AllowedTypes.length;j++)
		{
			if(AllowedTypes[j].match(/[a-z]-[a-z]/) || AllowedTypes[j].match(/[a-z]/))
			{
				if(AllowedTypes[j]=="spaces" || AllowedTypes[j]=="space")
				{
					TheRegExp+="\\\s"
					TheSpValue=TheSpValue.replace(/spaces/,"\\\s")
					TheSpValue=TheSpValue.replace(/space/,"\\\s")
				}
				else if(AllowedTypes[j]=="comma" || AllowedTypes[j]=="commas")
				{
					TheRegExp+=","
					TheSpValue=TheSpValue.replace(/comma/,",")
				}
				else if(AllowedTypes[j]=="dblqt")
				{
					TheRegExp+="\\\""
					TheSpValue=TheSpValue.replace(/dblqt/,"\\\"")
				}
				else if(AllowedTypes[j]=="snglqt")
				{
					TheRegExp+="'"
					TheSpValue=TheSpValue.replace(/snglqt/,"'")
				}
				else
				{
					TheRegExp+=AllowedTypes[j]
					StartString+=AllowedTypes[j]
				}
			}
			else if(AllowedTypes[j]=="0-9")
			{
				TheRegExp+="0-9"
				StartString+="0-9"
			}
			else if(AllowedTypes[j]==".")
			{
				TheRegExp+="\\\."
				TheSpValue=TheSpValue.replace(/\./,"\\\.")
			}
			else if(AllowedTypes[j]=="-")
			{
				TheRegExp+="\\\-"
				TheSpValue=TheSpValue.replace(/\-/,"\\\-")
			}
			else if(AllowedTypes[j]=="&")
			{
				TheRegExp+="\\\&"
				TheSpValue=TheSpValue.replace(/\&/,"\\\&")
			}
			else if(AllowedTypes[j]=="(")
			{
				TheRegExp+="\\\("
				TheSpValue=TheSpValue.replace(/\(/,"\\\(")
			}
			else if(AllowedTypes[j]==")")
			{
				TheRegExp+="\\\)"
				TheSpValue=TheSpValue.replace(/\)/,"\\\)")
			}
			else if(AllowedTypes[j]=="[")
			{
				TheRegExp+="\\\["
				TheSpValue=TheSpValue.replace(/\[/,"\\\[")
			}
			else if(AllowedTypes[j]=="]")
			{
				TheRegExp+="\\\]"
				TheSpValue=TheSpValue.replace(/\]/,"\\\]")
			}
			else if(AllowedTypes[j]=="?")
			{
				TheRegExp+="\\\?"
				TheSpValue=TheSpValue.replace(/\?/,"\\\?")
			}
			else if(AllowedTypes[j]!="")
			{
				TheRegExp+=AllowedTypes[j]
			}
		}
		
		if(TheSpValue!="")
		{
			TheSpValues=TheSpValue.split(",")
			for(j=0;j<TheSpValues.length;j++)
			{
				if(TheSpValues[j]!="")
				{
					EndString+=TheSpValues[j]
				}
			}
			EndString="["+EndString+"]?"
		}
		
		ThePattern="^["+StartString+"]["+TheRegExp+"]*["+StartString+"]"+EndString+"$|^["+StartString+"]"+EndString+"$"
			
		TheExpression=new RegExp(ThePattern,"gi")
	}


	//Finally the checking starts.
	if(typeof(Mandatory)=="undefined" || Mandatory=="")
	{
		if(!TheValue.match(/^$/ig))
		{
			if(!TheValue.match(TheExpression))
			{
				if(typeof(Label)!="undefined")
					alert(Label)
				TheField.focus()
				if(TheField.type!="select-one")
				{
					TheField.select()
				}

				return true
			}
			else
			{
				if(TheType=="url")
				{
					if(TheValue.match(TheExpression)[0].length!=TheValue.length)
					{
						if(typeof(Label)!="undefined")
							alert(Label)
						TheField.focus()
						if(TheField.type!="select-one")
						{
							TheField.select()
						}
						return true
					}
				}
				if(typeof(LengthCheck)!="undefined")
				{
					return CheckLength(TheField,TheValue,LengthCheck,LengthAlert)
				}
			}
		}
	}
	else
	{
		if(!TheValue.match(TheExpression))
		{
			if(typeof(Label)!="undefined")
				alert(Label)
			if(TheField.type!="select-one")
			{
				TheField.select()
			}
			return true

		}
		else
		{
			if(TheType=="url")
			{
				if(TheValue.match(TheExpression)[0].lengh!=TheValue.length)
				{
					if(typeof(Label)!="undefined")
						alert(Label)
					TheField.focus()
					if(TheField.type!="select-one")
					{
						TheField.select()
					}
					return true
				}
			}
			if(typeof(LengthCheck)!="undefined" || LengthCheck=="")
			{
				return CheckLength(TheField,TheValue,LengthCheck,LengthAlert)
			}
		}
	}
	return false
}

function CheckLength(TheField,TheString,TheLength,TheAlert)
{
	TheLength=TheLength.split(",")
	Min=parseInt(TheLength[0])
	Max=parseInt(TheLength[1])
	if(TheString.length<Min)
	{
		alert(TheAlert)
		TheField.focus()
		if(TheField.type!="select-one")
		{
			TheField.select()
		}
		return true
	}
	if(Max!=0 && TheString.length>Max)
	{
		alert(TheAlert)
		TheField.focus()
		if(TheField.type!="select-one")
		{
			TheField.select()
		}
		return true
	}
	return false
}
function validate(FunctionToCall,TheForm)
{
	if(typeof(TheForm)=="undefined")
		TheFormElements=document.forms[0].elements
	else
		TheFormElements=TheForm
		
	for(i=0;i<TheFormElements.length;i++)
	{
		if(TheFormElements[i].getAttribute("ValidationType")!=null)
		{
			ValidationType=TheFormElements[i].getAttribute("ValidationType")
			LengthCheck=TheFormElements[i].getAttribute("LengthCheck")	
			if(LengthCheck==null)
				LengthCheck=""
			LengthAlert=TheFormElements[i].getAttribute("LengthAlert")
			if(LengthAlert==null)
				LengthAlert=""
			if(TheFormElements[i].getAttribute("EmptyLabel")!=null)
			{
				if(TheFormElements[i].getAttribute("InvalidLabel")==null)
				{
					if(Validate(TheFormElements[i],"empty",TheFormElements[i].getAttribute("EmptyLabel"),"",LengthCheck,LengthAlert))
					{
						return false
						break
					}
				}
				else
				{
					if(Validate(TheFormElements[i],"empty",TheFormElements[i].getAttribute("EmptyLabel")))
					{
						return false
						break
					}
				}
			}
			if(TheFormElements[i].getAttribute("InvalidLabel")!=null)
			{
				if(Validate(TheFormElements[i],ValidationType,TheFormElements[i].getAttribute("InvalidLabel"),"",LengthCheck,LengthAlert))
				{
					return false
					break
				}
			}
			
			if(TheFormElements[i].getAttribute("CallNext")!=null)
			{
				TheFn=TheFormElements[i].getAttribute("CallNext")
				TheFn=TheFn.replace(/this\.value/,"'"+TheFormElements[i].value.replace(/'/g,'VALIDATE_SINGLE_QOUTES')+"'")
				if(!eval(TheFn))
				{
					return false
					break
				}
			}
		}
	}
	if(typeof(FunctionToCall)=="undefined" || FunctionToCall=="")
		return true
	else
		return eval(FunctionToCall)
}

//Credit Card Validation
function CheckCreditCard(str,TheAlert)
{
	
	str=str.replace(/VALIDATE_SINGLE_QOUTES/g,"'")
	SecondNumber=false
	NewNumber=""
	CheckSum=0
	for(j=str.length;j>-1;j--)
	{
		TheNumber=parseInt(str.substring(j,j+1))
		if(!isNaN(TheNumber))
		{
			if(SecondNumber)
			{
				NewNumber+=(TheNumber*2)
			}
			else
			{
				NewNumber+=TheNumber
			}
			SecondNumber=(!SecondNumber)
		}
	}
	for(j=NewNumber.length;j>-1;j--)
	{
		TheNumber=parseInt(NewNumber.substring(j,j+1))
		if(!isNaN(TheNumber))
		{
			CheckSum+=TheNumber
		}
	}
	if(CheckSum % 10 !=0)
	{
		if(typeof(TheAlert)=="undefined" || TheAlert=="")
			TheAlert="Invalid card number."
		alert(TheAlert)
		return false
	}
	return true
}


//Mark mandatory fields.
var MarkMandatoryFields=true
var MandatoryMark='<font color="#FF0000">*</font>'
function MarkMandatoryFieldsFn(TheForm)
{
	if(typeof(TheForm.elements)=="undefined")
		TheFormElements=document.forms[0].elements
	else
		TheFormElements=TheForm
	
	for(i=0;i<TheFormElements.length;i++)
	{
		if(TheFormElements[i].getAttribute("EmptyLabel")!=null && MarkMandatoryFields)
		{
			TheParentNode=TheFormElements[i].parentNode
			var MandatoryElem=document.createElement("span")
				MandatoryElem.innerHTML=MandatoryMark
			TheParentNode.appendChild(MandatoryElem)
		}
	}
}


//Give focus to first field.
var GiveFocusToFirstField=true
function GiveFocusToFirstFieldFn(TheForm)
{
	if(typeof(TheForm.elements)=="undefined")
		TheFormElements=document.forms[0].elements
	else
		TheFormElements=TheForm
	
	//alert(TheFormElements.length)

	if(GiveFocusToFirstField)
	{
		for(i=0;i<TheFormElements.length;i++)
		{
			if(TheFormElements[i].name && TheFormElements[i].type!="hidden")
			{
				//alert(TheFormElements[i].name);
				TheFormElements[i].focus()
				break
			}		
		}
	}
}

if(navigator.appName.indexOf("Microsoft")!=-1)
{
	window.attachEvent("onload",MarkMandatoryFieldsFn)
	window.attachEvent("onload",GiveFocusToFirstFieldFn)
}
else
{
	window.addEventListener('load',MarkMandatoryFieldsFn,false)
	window.addEventListener('load',GiveFocusToFirstFieldFn,false)
}

function TrimSpace(vInput)
{
		if (vInput.type=="text")
		{	
			vInput.value=vInput.value.replace(/\s+$/,"")
			vInput.value=vInput.value.replace(/^[\s]+/,"")
		}	
}