var imageArray = new Array('.jpg','.gif','.png');
function isSupportImageFormat(checkFormat)
{   
    //alert(checkFormat);
	if(checkFormat)
	{
		var checkObj=checkFormat.toLowerCase();
		for(var i=0;i<imageArray.length;i++)
		{
			if(checkObj==imageArray[i])
				return true;
				
		}
	}	
	
		
	return false;
}


//-->
 
function checkFolat(value,msg){
                if (value.length > 0) {
                    // remove '.' before checking digits
                    var tempArray = value.split('.');
                    //Strip off leading '0'
                    var zeroIndex = 0;
                    var joinedString= tempArray.join('');
                    while (joinedString.charAt(zeroIndex) == '0') {
                        zeroIndex++;
                    }
                    var noZeroString = joinedString.substring(zeroIndex,joinedString.length);

                    if (!jcv_isAllDigits(noZeroString) || tempArray.length > 2) {
				           _error[0]=msg;
				           jcv_handleErrors(_error);
				           return false;

                    } else {
	                var iValue = parseFloat(value);
		                //alert (isNaN(iValue));
		                if (isNaN(iValue) || iValue<=0) {
					           _error[0]=msg;
					           jcv_handleErrors(_error);
					           return false;
		                }
                    }
                    return true;
                }else{
				           _error[0]=msg;
				           jcv_handleErrors(_error);
				           return false;
                }

} 
 

function requiredAndIntField(field,msg,minNo){
	   var min = 1;
	   if( minNo && jcv_isDecimalDigits(minNo)){
	   		min =  minNo ;
	   }
       var value=DWRUtil.getValue(field);
       if(value==""){
           _error[0]=msg;
           jcv_handleErrors(_error);
           return false;
       }else{
               if(! jcv_isDecimalDigits(value) || value < min){
	           _error[0]=msg;
	           jcv_handleErrors(_error);
               return false;
          }
       	   
       }   
       
      return true;    
   }
   
function requiredField(field,msg){
       if(trim(DWRUtil.getValue(field))==""){
           _error[0]=msg;
           jcv_handleErrors(_error);
           return false;
       }else{
       	   return true;
       }      
   }