//////////////////////function for email-id validation////////////////

function valid_email(eml)
{
	//declare the required variables
	var mint_len;
	var mstr_eml = eml;
	var mint_at = 0;
	var mint_atnum = 0;
	var mint_dot = 0;
	var mint_firstdot = 0;
	var mint_dotnum = 0;
	
	mint_len=eml.length; //takes the length of the email address entered
	
	//checking for the symbol single quote. If found replace it with its html code
	if (mstr_eml.indexOf("'")!=-1)
	{
		mstr_eml=mstr_eml.replace("'","'");
	}
	
	//checking for the (@) & (.) symbol
	for(var iloop=0;iloop<mint_len;iloop++)
	{
		if(mstr_eml.charAt(iloop)=="@")
		{
			mint_at=iloop+1;
			mint_atnum=mint_atnum+1;
		}
		if(mstr_eml.charAt(iloop)==".")
		{
			if (mint_dot-(iloop+1))
			{
				if((iloop+1-mint_dot)==1)
				{
					return false;
				}
			}
			mint_dot=iloop+1;
			if ((mint_at!=0)&&(mint_firstdot==0))
			{
				mint_firstdot = iloop + 1;
			}
			mint_dotnum=mint_dotnum+1;
		}
	}
	//if nothing entered in the field
	if (mstr_eml=="")
	{
		return false
	}
	
	//if @ entered more than once & dot (.) entered more than 4 times
	else if((mint_atnum!=1)||(mint_dotnum>4)||(Math.abs(mint_firstdot-mint_at)<2)||((mint_len-mint_dot)<2)||(mint_at<3))
	{
		return false;
	}
	
	//if any blank space is entered in the email address
	else if (mstr_eml.indexOf(" ")!=-1)
	{
		return false;
	}
}
//////////////////////////////////////////////////////////////////////////

//function for simple search
function frm_simplesearch_onsubmit() {

	if(document.frm_simplesearch.txt_search.value=="")
	{
		alert("Enter Title to be searched");
		document.frm_simplesearch.txt_search.focus();
		return false;
	}
	else
	{
		var title = new String(document.frm_simplesearch.txt_search.value);
		var character = "";
		var mstr_title = "";
		for(var i=0;i<=title.length-1;i++)
		{
			if(title.charAt(i) == "+")
			{
				character = "PLUSSIGN";
			}
			else
			{
				character = title.charAt(i);
			}
			mstr_title = mstr_title + character;
		}
		window.open("searchlisting.asp?from=simple&title="+escape(mstr_title),"resultwindow","resizable=0,top=0,left=0,height=400,width=650,scrollbars=1,titlebar=0");
		return false;
	}
}


//////////////////////////////////////////////////////////////////////////

//***********fuction for date validation******************

function valid_date(datevalue)
{
	var input_date=new String(datevalue);
	input_date = input_date.replace("/0","/");
	var dat;
	var count=0;
	
	for (var m=0;m<input_date.length;m++)
	{
		if (input_date.charAt(m)=="/")
		{
			count=count+1;
		}
	}
	if ((input_date.indexOf(" ")!=-1)||(count!=2))
	{
		return false;
	}
	if (input_date.indexOf("/")!=-1)
	{
		dat=input_date.split("/");
	}
	
		
	/////validations for month
	
	if (isNaN(dat[1]))
	{
		return false;
	}
	else if ((dat[1]<1)||(dat[1])>12)
	{
		return false;
	}
		
	//validations for days
	
	if (isNaN(dat[0]))
	{
		return false;
	}
	else if ((dat[1]=="1")||(dat[1]=="3")||(dat[1]=="5")||(dat[1]=="7")||(dat[1]=="8")||(dat[1]=="10")||(dat[1]=="12"))
	{
		if ((dat[0]<1)||(dat[0]>31))
		{
			return false;
			}
	}	
	else if ((dat[1]=="4")||(dat[1]=="6")||(dat[1]=="9")||(dat[1]=="11"))
		{
			if ((dat[0]<1)||(dat[0]>30))
				{
				return false;
				}
		}
	else if (dat[1]==2)
		{
			
			if ((dat[2] % 4)==0)
				{
				if ((dat[0]<1)||(dat[0]>29))
					{
					return false;
					}
				}
			else
				if((dat[0]<1)||(dat[0]>28))
					{
					return false;
					}
		}
	
	//validation for year
	
	if (isNaN(dat[2]))
	{
		return false;
	}
	if ((dat[2].length!=2)&&(dat[2].length!=4))
	{
		return false;
	}
	if(parseInt(dat[2])<1753)
	{
		return false;
	}
}

///////////////////////////////////////////////////////////////////////

//***********fuction for date validation******************


function valid_dateMMDDYYYY(datevalue)
{
	var input_date=new String(datevalue);
	var dat;
	var count=0;
	
	for (var m=0;m<input_date.length;m++)
	{
		if ((input_date.charAt(m)=="/"))
		{
			count=count+1;
		}
	}
	if ((input_date.indexOf(" ")!=-1)||(count!=2))
	{
		return false;
	}
	if (input_date.indexOf("/")!=-1)
	{
		dat=input_date.split("/");
	}
			
	/////validations for month
	
	if (isNaN(dat[0]))
	{
		return false;
	}
	else if ((dat[0]<1)||(dat[0])>12)
	{
		return false;
	}
		
	//validations for days
	
	if (isNaN(dat[1]))
	{
		return false;
	}
	else if (dat[1]<1)
	{
		return false;
	}	
	else if ((Math.abs(dat[0])=="1")||(Math.abs(dat[0])=="3")||(Math.abs(dat[0])=="5")||(Math.abs(dat[0])=="7")||(Math.abs(dat[0])=="8")||(Math.abs(dat[0])=="10")||(Math.abs(dat[0])=="12"))
	{
		if ((Math.abs(dat[1])<1)||(Math.abs(dat[1])>31))
		{
		return false;
		}
	}	
	else if ((Math.abs(dat[0])=="4")||(Math.abs(dat[0])=="6")||(Math.abs(dat[0])=="9")||(Math.abs(dat[0])=="11"))
	{
		if ((Math.abs(dat[1])<1)||(Math.abs(dat[1])>30))
		{
			return false;
		}
	}
	else if (Math.abs(dat[0])==2)
	{
			
		if ((Math.abs(dat[2]) % 4)==0)
		{
			if ((Math.abs(dat[1])<1)||(Math.abs(dat[1])>29))
			{
			return false;
			}
		}
		else
		{
			if((Math.abs(dat[1])<1)||(Math.abs(dat[1])>28))
			{
				return false;
			}
		}	
	}
		
	//validation for year
	
	if (isNaN(dat[2]))
	{
		return false;
	}
	else if ((dat[2].length!=2)&&(dat[2].length!=4))
	{
		return false;
	}
}

//*****************function for checking blank field*******************
function checkBlankField(txt)
{
	var mint_txt=txt.length; //Takes the total length of the value entered
	var mstr_txt=txt;
	var mint_count=0;
	
	//checking with each character for space
	for(var iloop=0;iloop<mint_txt;iloop++)
	{
		if(mstr_txt.charAt(iloop)==" ")
		{
			mint_count=mint_count+1;
		}
	}
	
	//if nothing entered in the field
	if (txt=="")
	{
		return false;
	}
	
	//if only spaces are entered
	else if (mint_count==mint_txt)
	{
		return false;
	}
}

//************/////////Compare two dates(2nd Date not more than 1st Date)/////////********************************

function compareDates(date1,date2)
{
	var dat1;
	var dat2;
	var count1=0;
	var count2=0;
	var mint_day1;
	var mint_day2;
	
	//date1 < date2
	// Ex. 12/1/2001 - 1/1/2001
	var input_date1=new String(date1);
	var input_date2=new String(date2);
	input_date1 = input_date1.replace("/0","/");
	input_date2 = input_date2.replace("/0","/");
	//split date1
	dat1=input_date1.split("/");
			
	//split date2
	dat2=input_date2.split("/");
	
	////
	if(parseInt(dat1[0])<10)
	{
		mint_day1 = new String(dat1[0]);
		mint_day1 = mint_day1.replace("0","");
	}
	else
	{
		mint_day1 = parseInt(dat1[0])
	}
	
	if(parseInt(dat2[0])<10)
	{
		mint_day2 = new String(dat2[0]);
		mint_day2 = mint_day2.replace("0","");
	}
	else
	{
		mint_day2 = parseInt(dat2[0])
	}
	
	var dates1=new Date(parseInt(dat1[1])+"/"+parseInt(mint_day1)+"/"+parseInt(dat1[2]));
	var dates2=new Date(parseInt(dat2[1])+"/"+parseInt(mint_day2)+"/"+parseInt(dat2[2]));
	
	//alert(dates1+dates2)
	var year1=dates1.getFullYear();
	var year2=dates2.getFullYear();
	
	////compare years
	
	//if ((dat2[2])>(dat1[2]))
	if (parseInt(year2)>parseInt(year1))
	{
		//alert("year2 > year1")
		return false;
	}
	if 	(parseInt(dat2[2])==parseInt(dat1[2]))
	{
		if (parseInt(dat2[1])>parseInt(dat1[1]))
		{
			//alert("same year and month1 > month2")
			return false;
		}
	}
	if 	((parseInt(dat2[2])==parseInt(dat1[2]))&& (parseInt(dat2[1])==parseInt(dat1[1])))
	 {
	 	if (mint_day2>mint_day1)
		{
			return false;
		}
		
	}		
}		
/////////////////////////////////////////////////////////////////////////////


//************/////////Compare two dates(2nd Date not more than 1st Date)/////////********************************

function compareDatesMMDDYYYY(date1,date2)
{
	//date1 < date2
	// Ex. 12/1/2001 - 1/1/2001
	var input_date1=new String(date1);
	var input_date2=new String(date2);
	var dat1;
	var dat2;
	var count1=0;
	var count2=0;
	var dates1=new Date(date1);
	var dates2=new Date(date2);
	var year1=dates1.getFullYear();
	var year2=dates2.getFullYear();
	
	
	//split date1
	for (var m=0;m<input_date1.length;m++)
	{
		if ((input_date1.charAt(m)=="/")||(input_date1.charAt(m)=="."))
		{
			count1=count1+1;
		}
	}
	if ((input_date1.indexOf(" ")!=-1)||(count1!=2))
	{
		return false;
	}
	if (input_date1.indexOf("/")!=-1)
	{
		dat1=input_date1.split("/");
	}
	else if (input_date1.indexOf(".")!=-1)
	{
		dat1=input_date1.split(".");
	}
	
	//split date2
	for (var m=0;m<input_date2.length;m++)
	{
		if ((input_date2.charAt(m)=="/")||(input_date2.charAt(m)=="."))
		{
			count2=count2+1;
		}
	}
	if ((input_date2.indexOf(" ")!=-1)||(count2!=2))
	{
		return false;
	}
	if (input_date2.indexOf("/")!=-1)
	{
		dat2=input_date2.split("/");
	}
	else if (input_date2.indexOf(".")!=-1)
	{
		dat2=input_date2.split(".");
	}
	
	
	////compare years
	
	//if (parseInt(dat2[2])>parseInt(dat1[2]))
	if (parseInt(Math.abs(year2))>parseInt(Math.abs(year1)))
	{		
		return false;
	}
	if 	(parseInt(dat2[2])==parseInt(dat1[2]))
	{
		if (parseInt(Math.abs(dat2[0]))>parseInt(Math.abs(dat1[0])))
		{
			return false;
		}
	}
	if 	((parseInt(Math.abs(dat2[2]))==parseInt(Math.abs(dat1[2])))&& (parseInt(Math.abs(dat2[0]))==parseInt(Math.abs(dat1[0]))))
	{
	 	if (parseInt(Math.abs(dat2[1]))>parseInt(Math.abs(dat1[1])))
		{
			return false;
		}
	}			
}		


//******************////////////////validations for PhoneNumber fields //////////******************
	
function checkPhoneNumber(num)
{
	var mint_num=num;
	var mint_len=num.length;
	var mstr_ph;
	var mint_nm=0;
	
	for (var m=0;m<mint_len;m++)
	{
		mstr_ph=mint_num.charAt(m)
		if(mstr_ph==" ")
			{
			mint_nm=mint_nm+1;
			}
		if (isNaN(mstr_ph))
			{
			if ((mstr_ph!="-")&&(mstr_ph!=",")&&(mstr_ph!="(")&&(mstr_ph!=")"))
				{			
				mint_nm=mint_nm+1;
				}
					
			}
	}
	if((mint_num=="")||(mint_nm!=0)||(mint_len<=5))
	{
	return false;
	}
}
	
//***************////////////validations for ZipCode fields ////////////**************************
	
function checkZip(num)
{
	var mint_zip=num;
	var mint_len=num.length;
	var mstr_zip;
	var mstr_zipcode
	
	for (var m=0;m<mint_len;m++)
	{
		mstr_zip=mint_zip.charAt(m)
		if ((isNaN(mstr_zip))||(mstr_zip==" "))
		{
			mstr_zipcode="invalid" 					
		}
	}
	if ((mstr_zipcode=="invalid")||(mint_zip=="")||(mint_len!=6))
	{
		return false;
	}
}

function checkZipInt(num)
{
	var mint_zip=num;
	var mint_len=num.length;
	var mstr_zip;
	var mstr_zipcode
	
	for (var m=0;m<mint_len;m++)
	{
		mstr_zip=mint_zip.charAt(m)
		if ((isNaN(mstr_zip))||(mstr_zip==" "))
		{
			mstr_zipcode="invalid" 					
		}
	}
	if ((mstr_zipcode=="invalid")||(mint_zip==""))
	{
		return false;
	}
}

//**************************Function to check Positive Integer****************************
function checkPositiveInteger(val)
{
	if (isNaN(val)==true)
    {
		return false;
    }
    var mystring=new String(val)
	var x=mystring.indexOf(".")
    if (x!="-1")
    {
		return false;
    }
    if (val<0)
    {
		return false;
    }    
}

//**************************Function to check Price Value****************************
function checkPrice(num)
{
	var mint_dot = 0;
	var mstr_char = new String(num);
	mint_position = 0;
	for(var mint_char=0;mint_char<mstr_char.length;mint_char++)
	{
		//if not digits
		if(mstr_char.charAt(mint_char)!="0" && mstr_char.charAt(mint_char)!="1" && mstr_char.charAt(mint_char)!="2" && mstr_char.charAt(mint_char)!="3" && mstr_char.charAt(mint_char)!="4" && mstr_char.charAt(mint_char)!="5" && mstr_char.charAt(mint_char)!="6" && mstr_char.charAt(mint_char)!="7" && mstr_char.charAt(mint_char)!="8" && mstr_char.charAt(mint_char)!="9" && mstr_char.charAt(mint_char)!=".")
		{
			return false;
		}
		if(mstr_char.charAt(mint_char)==".")
		{
			mint_dot = mint_dot + 1
			mint_position = mstr_char.indexOf(".");
		}
	}
	//if number of dots is more than one
	if(mint_dot>1)
	{
		return false;
	}
	//check no. of characters after dot mark
	if(mint_dot != 0)
	{
		if((parseInt(mstr_char.length)-1)-parseInt(mint_position)>2)
		{
			return false;
		}
	}
}

//***************************************Validations for Check Box**************************

function checkCheckbox(chbx)
{
	var mint_len= chbx.length;
	var mstr_txt=0;
	
	if((chbx.checked)==true)
	{
		return true;
	}
	for(var iloop=0;iloop<mint_len;iloop++)
	{
		if (chbx[iloop].checked)
		{
			mstr_txt=mstr_txt+1 ;
		}
	}
	if (mstr_txt==0)
	{
		return false;
	}	
}


//***************************************Validations for IMAGE **************************

function checkImage(fileValue)	
{
	var myString = new String(fileValue);
	fileValue = myString.toLowerCase();
	
	if ((fileValue.indexOf(".gif")==-1) && (fileValue.indexOf(".jpg")==-1))
	{
		alert("Only.gif or.jpg image files can be uploaded");
		return false;
	}
		
	var temp = fileValue.lastIndexOf("\\");
		
	temp = fileValue.substring(temp);
		
	if (temp.length>50)
	{
		alert("Image Name with MAX 50 characters can be uploaded. \nPlease Rename the file being uploaded and then try again");
		return false;
	}
	
	var countdot=0;
	for (var iloop=1;iloop<=temp.length;iloop++)
	{
		if ((temp.charAt(iloop)==" ")||(temp.charAt(iloop)=="#")||(temp.charAt(iloop)=="@")||(temp.charAt(iloop)=="'"))
		{
			alert("Invalid Character Entered. #, , @, ' are not allowed in Image Name.");
			return false;
		}
		if (temp.charAt(iloop)==".")
		{
			countdot=countdot+1;		
		}
	}
	if (countdot!=1)
	{
		alert("Inavalid Character Entered. No dot is allowed in Image Name");
		return false;
	}
}